Answers
Answer:
approximately 5,730 years
Related Questions
Explain negative feedback.
Answers
why does the density of liquid water increase as it cools?
Answers
The density has been inversely proportional to the volume of the substance and the temperature. The density of the liquid water increases as it cools as the temperature decreases.
What is the relation between density, volume, and temperature?The density of the substance has been defined as the place occupied by the substance in a liter or milliliter of solution. It has been known to show an inverse relationship between volume and temperature.
As the liquid water cools down its temperature starts decreasing which causes the collision of the particles and kinetic energy to decrease leading to decrease in the volume of the matter as particles start moving close to each other.
As a result, the volume of the substance gets decreases which inversely affects the density of the material. The decreased volume increases the density of the substance. Hence, density shows an opposite reaction to the factors like temperature and volume.
Therefore, an increase in density is due to a decrease in the volume of the matter.
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According to erikson theory which stage of social development is related to adulthood?
CHOICES: A. Trust vs. Mistrust
B. Intimacy vs. Isolation
C. Initiative vs. Guilt
D. Autonomy vs. Shame
Answers
Answer:b
Explanation:
I need help with my biology work please
Answers
I did the. work on this piece of paper and the only reason I'm typing here is because I need an answer to submit
Leigh has collected data and performed statistical
tests for analysis. Describe the conclusions she can
draw about the data based on her analysis.
Answers
Answer:
She will obtain results to support -or reject- her working hypothesis. These results are subjected to statistical analyses in order to confirm that they are statistically significant
Explanation:
The scientific method is a rigorous process that consists of raising a working hypothesis, which is tested by experimentation or observational procedures and analysis of the results. The statistical analyses may have key roles during this procedure. In an experiment that involves statistical analyses, the results are subjected to statistical measures to evaluate the significance level and thus confirm (or reject) the statements made in the working hypothesis. The p-value is one of the most used statistical measures to determine if differences are due to randomness, or they are statistically significant.
Answer:
Because the calculated chi-square value of 5.19 is less than the critical value of 7.82, the null hypothesis can be supported. She is 95% confident that there is no significant variation in shell color along the beach coastline.
Explanation:
this is the Sample Response
You please help me with science and I will give you bring list
Answers
Answer:
A
Explanation:
Protons are positively charged so A is right
We know the rest are wrong because neutrons have no charge and electrons are negatively charged.
Answer:
The answer is A.
Explanation:
Lets look at the charges of each part and see which one lines up.
A) The protons in an atom have a positive charge.
B) The nucleus contains the protons and neutrons. Since the neutrons have no charge and the protons have a positive charge, the overall charge of the nucleus is positive.
C) Electrons have a negative charge.
D) The neutrons have a neutral charge meaning they do not have a positive or negative charge.
The only answer that lines up with the choices is A.
Driving from Maine to Florida, you observe that squirrels living in the southeastern United States are much thinner than squirrels living in the northeastern part of the country. You tell your friend that you have a theory that squirrels living in the northeast have greater fat reserves for the winter months when food is scarce. Which of the statements are true? Select all that apply.
Answers
Answer:
See the options and the answer below
Explanation:
The available options to the question are:
Your statement is a valid scientific theory. Your statement uses the word "theory" in a non-scientific, colloquial way. Your statement is a hypothesis rather than a scientific theory. Your statement is not a theory but a fact.The correct answer would be that:
the statement uses the word 'theory' in a non-scientific, colloquial way. the statement is a hypothesis rather than a scientific theory.A hypothesis is a generalized statement with little or no experimental test. When a hypothesis is tested using a suitable experiment (s), it can either become valid or invalid. In order words, hypotheses are falsifiable. A theory on the other hand is a hypothesis that has been tested several times by independent researchers and found to be true.
In the illustration, the statement made concerning the squirrels is based purely on guess and not on fact. The use of the word 'theory' in the statement is totally unscientific. Only suitable experiments can prove or disprove the statement.
The correct options are 2 and 3.
which statement describes the cell cycle
Answers
Answer:
I think c
Explanation:
Answer:
It is C
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What step of the scientific method immediately follows "state the problem"?
A. Draw conclusions.
B. Make observations.
C. Form a hypothesis.
D. Design an experiment.
Answers
Answer:
c
Explanation:
before you can do a, c, or d you must form a hypothesis to be tested.
Which of the following is the Earth's largest reservoir of carbon dioxide?
atmosphere
icebergs
oceans
O soil
Answers
Part A
Why are diseases such as AIDS, which reduce population density, undermining the ability of
developing countries to make the transition to more modern, industrialized societies?
Answers
Answer:
other than AIDS there is STDS
Explanation:
sexual transmitted disease
Mitochondria differ from chloroplasts in that Group of answer choices mitochondria convert solar energy to chemical energy whereas chloroplasts convert one form of chemical energy to another mitochondria contain three different membrane-bound compartments, whereas chloroplasts contain two mitochondria contain membrane folds called cristae, whereas chloroplasts contain vesicles in stacks called grana mitochondria are not found in plants, whereas chloroplasts are not found in animals
Answers
Answer:
mitochondria contain membrane folds called cristae, whereas chloroplasts contain vesicles in stacks called grana
Explanation:
Mitochondria are composed of two membranes (i.e., the inner and outer membranes), which are separated by the intermembrane space. The inner mitochondrial membrane is composed of several folds that form the cristae, which extend into the mitochondrial matrix. On the other hand, in chloroplasts, the inner membrane consists of interconnected stacks of sacs named thylakoids, whose arrangement is known as grana.
What organelles are found in a Fly muscle
Answers
Answer:
Organelles of the muscle cell are also named slightly differently: the plasma membrane is called sarcolemma; the cytoplasm is sarcoplasm, and the endoplasmic reticulum is sarcoplasmic reticulum. Skeletal muscle cells have many nuclei along their membrane.
Explanation:
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Diffusion is an example of
a) passive transport
b) phagocytosis
c) endocytosis
d) active transport
Answers
Explanation:
Diffusion is an example of
a) passive transport
Answer:
[tex]\boxed {\tt A. \ Passive \ transport }[/tex]
Explanation:
First, let's define diffusion.
Diffusion is the movement of particles from areas of high concentration to low concentration. This movement is also known as moving down a concentration gradient. This process of diffusion occurs without any energy.
Since it doesn't require energy expenditure, diffusion is an example of passive transport.
Therefore, the correct answer is A. passive transport.
nobody can answer this by their own part 2
Answers
dragonfly
Are individual organelles (cell structures) living? Defend your answer.
Answers
Answer:
the cell structure is living
Explanation:
CELL! cells are living
Which of the following is a polysaccharide often responsible for providing structure to plants?
A. Amylose
B. Cellulose
C. Glucose
Answers
Answer:
Explanation:
The anwer is B
Balance this equation
Answers
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
Which objective is referred to as the "scanning objective"?
Answers
Answer:
This question lacks options; they are:
a. 4x b. 10x c. 20x d. 100x
The answer is A
Explanation:
The objective lens is an integral part of a light microscope as it provides the viewer with the picture or image of the specimen. There are several types of objective lens depending on their magnification.
The lowest possible objective lens with the power of 4x is called the SCANNING OBJECTIVE. In combination with the eye/occular lens, it provides a magnification of 4x × 10 = 40x. The name of this lens comes from the fact that it provides a full scan of every part of the specimen being viewed before diversifying into a specific region by changing the objective.
Which of the following characteristics can be utilized to classify and categorize viruses?
Type of nucleic acid
Hosts infected
Strandedness of nucleic acid (positive/negative sense)
Capsid shape
Gram stain category
Colony growth characteristics
Presence or absence of capsule
Presence or absence of envelope
Disease symptoms
Fermentation of different sugars
Answers
Answer:
Type of nucleic acid
Strandness of type of nucleic acid (positive /negative)
colony growth characteristics
Hosts infected
Capsid shape
Disease symptoms
presence or absence of envelop
presence or absence of capsid shape
Explanation:
The characteristics that can be utilized when classifying/categorizing viruses are :
Type of nucleic acid
Strandness of type of nucleic acid (positive /negative)
colony growth characteristics
Hosts infected
Capsid shape
Disease symptoms
presence or absence of envelop
presence or absence of capsid shape
The Remaining two categories i.e Gram stain category and fermentation of different sugars cannot be used to classify or categorize viruses but they can be applied for the categorization of Bacteria
The monomers of DNA are composed of?
Answers
Answer:
The monomers of DNA are composed of nucleotide.
Answer:
sugar, phosphate residue and a base or Nucleotide's
Explanation:
DNA consists of two long polymers that run in opposite directions forming the regular geometry of the double helix. The monomers of DNA are called nucleotides. Nucleotides have three components: a base, a sugar (deoxyribose) and a phosphate residue.
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What are the two divisions of the autonomic nervous system?
A. sympathetic and central nervous systems
B. central and somatic nervous systems
C. sympathetic and parasympathetic nervous systems
D. parasympathetic and somatic nervous systems
Answers
The two divisions of the autonomic nervous system are the sympathetic and parasympathetic nervous systems. The correct option is C. sympathetic and parasympathetic nervous systems.
Nervous systemFrom the question, we are to determine the two divisions of the autonomic nervous system.
The nervous system is divided into two main parts, which are
Central nervous system.Peripheral nervous system.The central nervous system is made up of the brain and the spinal cord, while the peripheral nervous system is made up of the nerves and ganglia that lie outside of the brain and spinal cord.
The peripheral nervous system is further subdivided into the somatic nervous system and the autonomic nervous system.
The autonomic nervous system is further divided into the sypathetic nervous system and the parasympathetic nervous system.
The sympathetic nervous system is for fight or flight responses, and
The parasympathetic nervous system is for rest and digest responses.
Hence, the two divisions of the autonomic nervous system are the sympathetic and parasympathetic nervous systems. The correct option is C. sympathetic and parasympathetic nervous systems.
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Answers
Answer:
6(carbon dioxide) + 6(water) --> Glucose + 6(oxygen gas)
The following equation is balanced.
Both have 6 carbon atoms,
both have 12 hydrogen atoms,
and both have 18 oxygen atoms.
Does fertilizer make a plant grow bigger? Amount of fernalizer measured in grams, quantitiesnof water measured in milliliters
Answers
Answer:
Yes, fertilizer can make plants grow bigger due to the nutrients it can provide to the soil and plants.
how were the designs of pasteurs and redis experiment diffrent
Answers
Which statement describes our Solar System?
O A. The Solar System is made of a very large collection of stars, gas, and dust bound together by gravity.
OB. The Solar System is made of a large planet with moons and other satellites in orbit around the planet.
O C. The Solar System is made of a group of planets orbiting at various distances around a large, central star.
O D. The Solar System is made of a group of galaxies and intergalactic gases bound together by gravitational attraction.
Answers
Answer:
B
Explanation:
HELP ASAP! Please help me with these 5 questions, they'd mean a lot! Giving you all my points, please answer.
1. Condensation is the basis by which ______ are formed both in the sky and near the ground as fog.
2. Evaporation occurs when the _______ heats up water in rivers, lakes, or the ocean and turns it into vapor or steam.
3. The Earth water cycle is responsible for all the _______ on the Earth.
4. The water in the atmosphere usually gets into the atmosphere by the way of ______.
Answers
Answer:
1. Condensation is the basis by which water droplets are formed both in the sky and near the ground as fog.
2. Evaporation occurs when the sun heats up water in rivers, lakes, or the ocean and turns it into vapor or steam.
3. The Earth water cycle is responsible for all the water on the Earth.
4. The water in the atmosphere usually gets into the atmosphere by the way of transpiration.
Explanation:
I hope this helps you:) I'm sorry if some of them are wrong... I did my absolute best.
Metals are used in many products because of the characteristic properties that most metals have. Which product requires the high luster of metals in order to
work?
Answer: A mirrors
B. pots and pans
Cfood wrap
D.circuit boards
Answers
Answer:
the correct answer would be c
Explanation:
Answer:
A
Explanation:
The correct answer is A; Mirrors
The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane-bound carrier proteins is called The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane-bound carrier proteins is called
Answers
Answer:
Facilitated diffusion
Explanation
Generally when molecules undergo passive diffusion along their concentration gradient,and aided by the cell membrane which provide hydrophillic areas for the molecules to pass through,this is called facilitate the diffusion.The membrane would be impermeable to these molecules without the proteins,
It is a special transport mechanism for large molecular substances like glucose and Amino acids and ions e.g Na+ and K+.Therefore facilitated mean to aid,thus the membrane proteins aids or help molecules to pass through.
Channel protein and carrier proteins are the two type of protein involved in the transport.They are specific for each molecules,and would only allow the passage of one molecule or ion through.
Energy is not needed for this to occur place the molecules of glucose are moving along the concentration gradient.
Specifically channel proteins are fixed in shape,some are gated.They are water filled pores Carrier proteins are flexible and adjust their shape to the two media for transport.Thus if the concentration of substances to be transported i s higher on on side A of the cell membrane proteins,the carrier protein will be open to that side to convey the molecules across.
The amount of molecules transported depend on the amount of the carries and channel protein available.
A cell converting food into energy and removing waste products are examples of:
a. Photosynthesis
b. Pinocytosis
c. Homeostasis
d. Evolution
Answers
Answer:
A
Explanation: