Answer:
Im assuming because microscopes hadnt been invented. Also the idea of communicable diseases wasnt around so people assumed it was things like god that caused illness
Answer:
A true understanding of the physiology of these bacteria and their roles in ecology, host health, and natural product production requires their cultivation in the laboratory. Recent advances in growing these species include coculture with other bacteria, recreating the environment in the laboratory, and combining these approaches with microcultivation technology to increase throughput and access rare species. These studies are unraveling the molecular mechanisms of unculturability and are identifying growth factors that promote the growth of previously unculturable organisms. This minireview summarizes the recent discoveries in this area and discusses the potential future of the field.
Explanation:
how long after conception can you get a positive pregnancy test
Answer: Although many tests indicate you can test as soon as five days before your next period, the most accurate results will be obtained after you have missed your period and the earliest a test can provide an accurate reading is 14 days after conception. Tests differ in sensitivity in detecting HCG in the urine.
Explanation:
Students were given a list of seven elements and asked to identify the four elements that are most abundant in biomolecules. Which table correctly identifies the four most-abundant elements in biomolecules?.
Answer:
Carbon, hydrogen, nitrogen, oxygen
Explanation:
Not sure what the tables are?
Biomolecules are important for living organisms and vital for cell structure and functioning. The cells are made up of biomolecules as their structural organization.
The four most abundant biomolecules are:
Carbon, Oxygen, Nitrogen and Hydrogen
The biomolecules can be explained as:
The central biomolecules for life activities are these elements that contribute to major processes.The main building blocks like carbohydrate is composed of carbon, oxygen and hydrogen. They provide energy to the body by breaking into small molecules.Proteins are vital for cell signalling and transport. They are composed of amino groups consisting of nitrogen.Therefore, carbon, nitrogen, hydrogen and oxygen are the most abundant biomolecules.
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Plants can break large rocks into tiny pieces. How is it possible for plants to be able to mechanically weather rocks by breaking them into smaller pieces?
The roots of the plant grow into the cracks of the rock forcing the rock to break.
O The plant absorbs all the water from the soil leaving the rocks dry and brittle.
O The plant wraps itself around the rock and forces it to crumble.
The acidity of the plant forms new types of smaller rocks.
Answer:
The roots of the plant grow into the cracks of the rock forcing the rock to break.
Explanation:
Hope this helps
Explain how carbon dioxide is cycled between the tree and fox. Name the specific processes involved.
Answer: Cellular Respiration and Photosynthesis, The tree releases oxygen during photosynthesis, which the fox takes in during cellular respiration. ... The fox releases co2 during cellular respiration, which the tree absorbs during photosynthesis.
Explanation:
I hope this helps have a great day!!!
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2. A 2 kg bowling ball rolls at a speed of 5 m/s on the roof of the building that is 40 m tall.
Circle one: KE / GPE / both
Show your work for finding the values of each type of energy the object has:
Answer: Both
Explanation:
KE can be solve using the formula:
ke = 0.5 mv^2
where m is the mass of the object
v is the velocity
ke = 0.5 ( 2 kg ) ( 5 m/s)^2
ke = 25 J
the GPE can be solved using the formula:
GPE = mgh
where m is the mass
g is the acceleration due to gravity ( 9.81 m/s^2)
h is the height
GPE = ( 4 kg)(9.81 m/s^2)( 40 m)
GPE = 392.4 J
I hope this helps, have a great day!!
A child watches an older sibling playing with a ball but makes no effort to participate in the play. Which social character is the child exhibiting
Answer:
Onlooker play
Explanation:
In onlooker play a child actively observes other children playing and does not attempt to enter into the activity; the child is interested only in observation and not in participation. In parallel play children play independently among other children. In pretend play children act out any event of daily life and practice the roles and identities as established in their surroundings. In associative play children play together and are engaged in a similar or identical activity.
a circle fence sourrounding a small yard mesure 84 meters in length if you walk from one side from the other through the middle what is the distance across the small yard
Answer: 26.75 meters.
2πr = 84
2 * 3.14 * radius = 84
radius = 84/6.28
r= 13.375
So the diameter will be 13.375 + 13.375 which is 26.75 meters.
Please help !!!
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Answer:
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1. Generally, production traits such as milk, fat, and protein yield are moderately heritable. While milk production traits are important, many other traits are of economic importance in dairy cattle breeding, including conformation, longevity, reproduction, health, and workability traits.
2. Would've surely practiced selective breeding via controlled mating... the three ways : Outcrossing , Line Breeding and Inbreeding can help in producing a herd of high yielding beef capital.
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what is the difference between a virus and a worm?
Answer:
The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.
Explanation:
why would a light wave speed up if it moved from air into hydrogen
Carbon is rare in that it does NOT bond with any other elements.
Select one:
True
False
Answer:
False
Explanation:
-Carbon has 4 electrons in its outer shell
-It can achieve a full outer shell by forming Covalent Bonds
In a controlled environment,
can be used to slow the decay process in foods.
A. gamma rays
B. infrared radiation
C. microwaves
D. x-rays
Given what we know, we can confirm that both gamma rays and x-rays can be used to slow the decay process in foods.
What are gamma rays and x-rays?Both of these are forms of ionizing radiation. Applying these to food is known as food irradiation. What this accomplishes, is that the food that is irradiated will have its chemical bonds altered, slowing the decay process.Therefore, since both gamma rays and x-rays offer ionizing radiation to the food, which affects the chemical bonds and allows the food to have a longer shelf life, we can confirm that they can be used to slow the decay process in foods.
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What is the cell ? How many champers did have the heart?
Answer:
In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. ... Parts of a cell. A cell is surrounded by a membrane, which has receptors on the surface.
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated.
Explanation:
What controls the amount of herbivores? Producers or predators? Explain
Answer:
Predators
Explanation:
Because they eat all the meat so if they wanted to they could eat the predators controlling the lesser amount
which of the following is a property of water?
a. polar molecule
b. regulates temperature
c. universal solvent
d. all of the above
Answer:
All of the above
Explanation:
The main properties of water are its polarity, cohesion, adhesion, surface tension, high specific heat, and evaporative cooling, which essentially categorizes all of the above.
29 The picture shows a Ferris wheel and a schematic diagram of it with different parts marked. Direction of movement of the Ferris wheel Axis of the Ferris Crossbar from which wheel at the chaircar hangs the centre Chaircar Ferris wheel Schematic diagram of a Ferris wheel Each chaircar hangs from a crossbar. As the Ferris wheel rotates on its axis at the centre, each chaircar remains in an almost UPRIGHT position so that people sitting in it do not fall off. For this to be possible, which of the following is absolutely necessary? A. The chaircars should be fixed rigidly to the crossbar. B. The chaircars should be free to turn about the crossbar. C. The Ferris wheel should always rotate at a fixed speed. D. The Ferris wheel should always turn in the same direction.
Answer:
d
Explanation:
this will not confuse people in it since it always turn in the same direction
I think the answer is
D the ferris wheel should always
turn in the same direction
what is the answer for each box 50 points
halo salam kenal dr indonesia :)
salam kenal :)
Why a cell spends the majority of its time in interphase.
A cell spends the majority of its time in interphase because during this period the cell grows and synthesizes materials required during and after its division. During interphase, the cell duplicates its genetic material.
The cell cycle can be divided into a long interphase and a short mitotic (M) phase.
The interphase can in turn be divided into three phases: Growth 1 (G1) phase, Synthesis (S) phase and Growth 2 (G2) phase.
During the S phase, the cell duplicates its genetic material, which is sharply controlled by different cellular mechanisms (e.g., checkpoint mechanisms).
During G1 and G2 phases, the cell synthesizes all the proteins required during the M phase and after cell division.
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How is a population’s size related to their well-being?
Which letter on the diagram below shows where M phase would occur?
Answer: D
Explanation:
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Ethyl alcohol is formed in aerobic respiration .
True or false
Answer:
Mark me brainliest （⌒▽⌒）（⌒▽⌒）Explanation:
In the alcoholic fermentation, (by yeast, a unicellular fungi) incomplete oxidation of glucose is achieved under anaerobic condition by a set of reactions where the pyruvic acid is converted to carbon dioxide and ethanol.in medice agriculture and conservation application of biotechnology the common gentic unit used is the
Answer:
I don not know about this one. I only know that agriculture is farming. Happy to help...
Explanation:
The image shows an aspect of human culture. Whích aspect is illustrated in the image?
A. Tradition
B. Religion
C. Social organization
D. Language
The aspect of human culture illustrated in the image is language. Writing is one form of language.
Writing can be considered as a form of language, which that uses grammar rules to describe ideas and situations.
Writing is a system of symbolic communication composed of signs, meanings, and a code to link these signs with their corresponding meanings.
A written language can be defined as the schematic representation of a spoken/gestural language by using a writing system.
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Answer:
D. Language
Explanation:
Correct just take my word.
How does the earth's tilt affect weather? ○The sun changes the amount of heat it radiates. ○The earth changes its revolutions around the sun. ○The earth takes longer in completing rotations allowing for areas to heat up or cool off more. ○The sun revolves around the earth in a strange pattern. ○The tilt of the earth affects how directly the sun's rays hit different parts of the earth.
Answer:
The answer is the tilt of the earth affects how directly the sun's rays hit different parts of the earth.
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Answer: 60 degrees the front is cold so it would be 60 degrees in Virginia the next day
ExplanationExplanation:
Based on the consistant pressure that the front seems to be causing, temperatures will become cooler. Based on the four choices provided, only one makes the temperature cooler which is A.
This front seems to be making its appearance during the overnight hours, therefore causing colder temperatures the morning following. With temperatures being 68 degrees at the time, the external temperature will be cooler than 68 degrees.
Which two systems below work together to rid the body of harmful parasites?
skeletal and circulatory systems
immune and lymphatic systems
muscular and nervous systems
respiratory and immune systems
Answer:
Immune and Lymphatic Systems
Explanation:
Which of the following happens during interphase?
Answer:
Interphase is the portion of the cell cycle that is not accompanied by gross changes under the microscope, and includes the G1, S and G2 phases. During interphase, the cell grows (G1), replicates its DNA (S) and prepares for mitosis (G2). ... In interphase, the cell gets itself ready for mitosis or meiosis.
Explanation:
Answer:DNA replication takes place making two identical copies of the genome of the cell.
Explanation:
Individuals, as well as industry—and automobile manufacturers in particular have an obligation to work to reduce carbon dioxide emissions that may increase the level of greenhouse gases in the atmosphere. Agree or disagree
It is right that individuals, as well as industry—and automobile manufacturers, in particular, have an obligation to work to reduce carbon dioxide emissions that may increase the level of greenhouse gases in the atmosphere.
Carbon dioxide is a greenhouse gas, which means that it traps heat in the atmosphere. This can lead to climate change, which is already having a number of negative effects on the planet, such as rising sea levels, more extreme weather events, and changes in plant and animal life.
Individuals can reduce their carbon dioxide emissions by making changes to their lifestyle, such as driving less, using less energy at home, and eating less meat. Industry can reduce their carbon dioxide emissions by investing in new technologies, such as renewable energy and energy efficiency.
Automobile manufacturers have a special responsibility to reduce carbon dioxide emissions, as cars are a major source of greenhouse gases. They can do this by designing more fuel-efficient cars and by using alternative fuels, such as electric and hybrid cars.
It is important for everyone to do their part to reduce carbon dioxide emissions. By working together, we can help to protect the planet for future generations.
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who has a better sense of smell, dogs or lions ( i dont know if the subject is right )
Answer:
dog
Explanation:
Answer:
cats smell better than dogs by a landslide and since a lion is a cat, you can say lions smell better.
Explanation: