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Related Questions
Forensic scientists can use which of the following to test for the presence of drugs in a human?
Blood
Hair
Saliva
All of the above
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Answer:
All of the above
Explanation:
The analytical approach in forensic chemical analysis of an unknown substance is to narrow down the possibilities until a drug is identified. After visual examination, presumptive or screening tests are conducted.
Forensic scientists are the category of scientists dealing with the test and test sampling. Drugs are mostly flown in the blood . The correct answer is all of the above.
What are the types of drugs ?
Drugs can be both narcotics and non- narcotics. There are the different categories that affect the central nervous system.
Drugs mostly flow in blood because of ions and molecules that get mixed with the blood.
Drugs mostly are prone to be mixed with the blood and these have easy and fast affect on the human body which makes us sometimes bear the mechanism of body reactions.
There are strong reactions that are complex that takes place in the body that makes us habitual sometimes.
Therefore, Forensic scientists can use blood as the most acceptable along with exceptions to other three options as well of the following to test for the presence of drugs in a human.
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The small intestine coudn't work without the _________ because fats coudn't be broken down.
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Answer:
bile from the gallbladder
An underactive thyroid (hypothyroidism) slows the metabolic rate. This translates to symptoms such as
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This translates to symptoms such as weight gain and fatigue.
Symptoms of hypothyroidismHypothyroidism is defined as the endocrine disorder in which the thyroid hormone is deficient or under secretion of the hormone.
The thyroid hormone is used for the following purposes in the body:
Regulates the rate at which your body uses calories (energy). It affects weight loss or weight gain and which is called the metabolic rate.When the thyroid hormone is deficient, the following is bound to occur:
Fatigue,Weight gain, andSensitivity to cold.Therefore a decrease in the metabolic rate of the body will lead to fatigue and gaining of weight.
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This text is from the transcript of the video "Adélie Penguins" from the NOAA web site Ocean Today.
Studies show that since 1950, the western Antarctic peninsula winter has warmed 11 °F, five times the global average. This warming trend is decreasing the amount of sea ice that forms and shrinking the habitat where young krill grow. This puts the Adélies’ food supply and their breeding success at risk. Complicating matters, Gentoo and Chinstrap penguins, which favor conditions with less sea ice, are taking over some of the Adélie colonies in this area.
Which statement is supported by both the text and the excerpt above?
A.
All three penguin species, Chinstrap, Adélie, and Gentoo, live only on sea ice.
B.
The food supply for Adélie penguins includes both fish and krill in the Antarctic seas.
C.
Adélie penguins are dependent on the existence of sea ice for access to their food supply.
D.
Temperatures in the Antarctic have increased substantially in the last 60 years.
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Answer:
C.
Adélie penguins are dependent on the existence of sea ice for access to their food supply.
Explanation: Their numbers are declining due to the loss of sea ice, so it's natural that this would be the answer.
Which of these is an example of an undesirable effect of friction?
a. copying notes on the board
b. energy loss in machines
c. keeping our balance
d. walking down the street
will mark brainliest
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Answer:
b. energy loss in machines
Explanation:
It is an undesirable effect because it causes loss in energy in a machine which most likely requires a lot of energy to function. Therefore, it is undesirable as the machine will not function properly.
Examine the words. impulse, presynaptic cell, neurotransmitters, receptors, postsynaptic cell what idea can be described using all the words listed? the difference between the somatic and autonomic nervous systems the transfer of information from one neuron to another the difference between the central and peripheral nervous systems the flow of information within a neuron
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The idea it can describe is that it is the transfer of information from one neuron to another.
Transfer of informationThe nervous system is part of the body systems that helps in the transfer of information from nerve to nerve and from nerve to muscle tissues.
The presynaptic nerve is the nerve that sends the information that is to be conveyed in form of action potential impulses.
The impulses led to the release of neurotransmitters from the terminal of the presynaptic nerve to the synapse. This binds to the receptor if the postsynaptic cell which receives the message.
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Answer:
the transfer of information from one neuron to another
Explanation:
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How many calories are there in 30 Ibs of salmon if each pound of salmon equals approximately 654 cal?
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Answer:
There are 19,620 calories in 30 lbs of salmon
Explanation:
If 1 pound of salmon = 654 calories, we need to find how many calories are in 30 pounds of salmon
30 x 654 = 19,620 calories
Cells that function in storage or photosynthesis are:.
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parenchyma cells storage of energy
Eyes are __?__ organs which enable us to see
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Answer: they are organs of the visual system TwT
Explanation:..hope this helps! pls mark me brainlest...
....Max-
At some point in their life cycle, all chordates have a postanal tail, ______, hollow nerve cord, and ______.
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At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
Chordates
Chordates are animals belonging to the phylum chordata they include vertebrates, lancelets and tunicates of which vertebrates are the most common. As they develop throughout their life time they posses certain characteristics at some point and they are;
Postanal tailNotochordhollow nerve cordPharyngeal slitsHence we can conclude that At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
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what does the circle of life mean
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Answer: Below
Explanation:
Generally the circle of life refers to the circle of birth, survival, and death.
Which process is a characteristic of all living things and is responsible for differences within a population?
growth
fertilization
development
reproduction
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Answer:
All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits.
Explanation:
All living organisms (whether they are bacteria, archaea or eukaryote) share several key characteristics, properties or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation (including homeostasis), energy processing, and evolution with adaptation.
According to some scientists, which is a cause of global warming? decrease of nitrous oxide changes in cloud cover decrease of methane gas changes in solar energy
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Answer:
D.) Changes in solar energy
Explanation:
This is because increased solar irradiation causes the release of methane and carbon dioxide from storage in the seas and icecaps, which can then cause additional warming. I hope this helps! ^-^
According to some scientists, the major cause of global warming based on the options given is changes in solar energy.
What do you mean by Global warming?Global warming may be defined as the situation that unusually or rapidly increases the Earth's average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels.
An increase in Methane, Carbon dioxide, and nitrous oxide leads to global warming as these all are greenhouse gases.
Therefore, according to the option given above, the major cause of global warming is changes in solar energy.
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Answers are very much needed.
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AnswerAnswer:
The answers are 1, 2 and 3
Explanation:
Give one way in which
the International Space Station could help with
further exploration of the solar system,
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Question: In which way did the international Space Station help with the further exploration of the solar system?
Explanation: Well, the station has provided researchers a platform in microgravity where they perform experiments and test technologies to allow humans to travel farther into the solar system than ever before.
Hopes this helps! Have a nice week!
write about fish production
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Answer:
Fish farming or pisciculture involves commercial breeding of fish, usually for food, in fish tanks or artificial enclosures such as fish ponds.
Answer:
Fish is a greatest source of dietary animal protein.
Fishery comprises of the finned fish and shellfish such as prawns and molluscs.
Fish is obtained by two ways i.e., Capture Fishery and Cultural fishery.
Capture Fishery: The fish are captured from natural water bodies,For Example: seas, rivers, estuaries, etc.Cultural Fishery:Fish are reared in artificial farms and grown in market table size and then captured.This is also known as farming.pls help ill give brainliest and 5 stars
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[1.] formed when lava or magma harden
[3.] formed when sediments are compacted and cemented together.
[4.] a model that shows how rock undergoes processes to become different rocks.
[2.] formed by heat and pressure while buried deep below earths surface.
Answer:
[1.] formed when lava or magma harden
[3.] formed when sediments are compacted and cemented together.
[4.] a model that shows how rock undergoes processes to become different rocks.
[2.] formed by heat and pressure while buried deep below earths surface.
Who studied layers of rocks and fossils and had their studies helped change the age of the earth from 6,000 to 3 million years old?
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Answer:
James Hutton he did it
A population of 1,000 squirrels live on a farm plot that has an area of 250 square feet. What is the population density?
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Answer:
750 square feet
Explanation:
1,000-250=750
And this is the population density.
The population density is equal to 4 people/square feet.
What is the formula for calculating population density?The formula for population density is defined as the number of individuals divided by the area of land given.
Here, number of individuals = 1,000
Area of land = 250 square feet
So, 1000/250 = 4
Therefore, the population density is equal to 4 people/square feet.
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PLEASE HELP!!! I WILL GIVE BRAINLIEST TO THE FIRST ANSWER!!!
Answers
Answer:
X^wY
Explanation:
If it's referring to number 9 on that page, I think this is the answer. Since the male has a recessive trait of being white-eyed, it would need that lower case allele and only have one X trait instead of two like the female.
How long does it take for a maggot to turn into a fly.
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Answer:
between 14-36 days.
Monohybrid crosses fill in the blanks
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Explanation:
1. TT_Ho. Bb_He. DD_Ho. Ff_He. tt_Ho. dd_Ho
TT and DD are purebred
Bb and Ff are hybrids
2.YY_Ho yellow. Yy_He yellow. yy_Ho blue
SS_Ho square. Ss_He square. ss_Ho blue
3.Tall = TT or Tt. short = tt
Pink body = PP or Pp. yellow body = pp
4.
Which statements describe global winds? select three options. they flow in different directions. they travel over short distances. they generate land breezes. they are affected by the rotation of earth. they blow away from poles to the equator.
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The statements that describe global winds are:
They flow in different directions. They are affected by the rotation of the earth. They blow away from poles to the equator. What do you mean by Global winds?Global winds may be defined as winds that blow steadily from specific directions over a long distance on the Earth's surface.
Global winds are responsible for steering the storms such as hurricanes. These winds are affected by convection current, pressure gradient, the Coriolis effect, and friction.
Therefore, the above statements best describe the global winds.
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What is the term used to describe the amount of time it takes for newly divided cells to be completely replaced throughout a tissue
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Answer:
turnover or turnover time
Explanation:
Marc and his brother take turns mopping the flies in their fathers pizzeria each night. Which force becomes weakened when the floor is wet?
A. Air resistance
B. Friction
C. Magnetism
D. Gravity
Answers
Answer:
friction
Explanation:
think about a carpet flooring
If the ability to roll one’s tongue is dominant (r) and the inability to roll one’s tongue is recessive (r), what are the possible genotypes for someone who can roll their tongue? only rr rr and rr rr and rr only rr
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The possible genotypes for someone who can roll their tongue are RR or rr, where the R allele is dominant over the r allele.
What do you mean by Genotypes?Genotypes may be defined as the ultimate combination of alleles of those genes which are selected for a particular study or interest.
If R represents the dominant allele and a person rolls their tongue having this allele, while the r represents the recessive allele and a person can not roll their tongue having this allele. To roll their tongue, a person needs only one dominant allele. Thus the person could have genotypes of RR or Rr.
Therefore, the possible genotypes for someone who can roll their tongue are RR or rr, where the R allele is dominant over the r allele.
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Answer:
B) RR and Rr
Explanation:
What color is reflected back to cause plants to appear green?
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Answer:
Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light. That particular light wavelength is reflected from the plant, so it appears green.
Explanation:
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The color that is reflected back to cause plants to appear green is the color green, as that is reflected back, the eyes can capture it, and as a result, the plants appear to be green.
What is the reason behind plants being green?Plants are green because of the presence of chlorophyll, a pigment found in plant cells. and this green color from sunlight is reflected back to the environment, and chlorophyll is crucial for photosynthesis, the process by which plants convert sunlight into energy, Photosynthesis occurs in specialized organelles within plant cells called chloroplasts. This absorbs light energy from the sun, and the absorbed energy is then used to power a series of chemical reactions that convert carbon dioxide and water into glucose, a form of sugar that the plant can use for energy.
Hence, the color that is reflected back to cause plants to appear green is the color green.
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One’s cognitive dissonance can increase as the number of conflicting beliefs increases. please select the best answer from the choices provided t f
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An individual's cognitive dissonance can increase as the number of conflicting beliefs increases.
What is cognitive dissonance?Cognitive dissonance refers to the condition in which various ideas or thoughts of an individual do not come into agreement or do not unite such that the individual has conflicting thoughts.
Cognitive dissonance usually results from conflicting beliefs and experiences.
Therefore, it is true that one’s cognitive dissonance can increase as the number of conflicting beliefs increases.
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A triradiate bone attached to the prootic, squamosal and maxilla of the skull.
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The postorbital is a triradiate bone that forms a part of the dermal skull root.
What is the postorbital bone?The postorbital is a triradiate bone that is found close to the occipital region/area of the skull.
The postorbital bone is well known to link the frontal bone from the skull to the zygomatic arch in the head.
The postorbital bone is formed by a delicately curved bone that fails to reach the zygomatic head arch.
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Gibberellins are hormones produced in the root tips of plants. The plant uses these hormones to stimulate the growth of shoots. How are gibberellins able to affect other parts of the plant?.
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The other parts of plant are also affected due to gibberelin because it stimulate the growth of shoots which is the upper portion of the plant.
How gibberellins able to affect other parts of the plant?Gibberellins stimulate the growth of shoots which increase in the biomass and vegetative growth of plant. If vegetative growth increases, the root biomass is also increases.
So we can conclude that other parts of plant are also affected due to gibberelin because it stimulate the growth of shoots which is the upper portion of the plant.
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