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Alenkasestr [34]
2 years ago
12

What part of a microwave oven protects humans against radiation?

Biology
2 answers:
LekaFEV [45]2 years ago
8 0

Answer:

4

Explanation:

4-magnetrons are used

fiasKO [112]2 years ago
3 0

Answer:

metal shields

Explanation:

I took the test

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A scientist is studying genes with complete dominance in flowers. If one parent is homozygous for the dominant gene, what princi
Pani-rosa [81]

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A. All offspring will be affected by the dominant traits

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saw5 [17]
A chromosome contains one long DNA strand.

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4 years ago
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1. Which are the reactants of photosynthesis?
Lynna [10]

Lets write answers for given parts one by one.

1. <em>The reactants of photosynthesis are</em>:

d) CO₂ + H₂O

2. One molecule of glucose can release a total of <u>36</u> molecules of ATP during its breakdown.

3. The evidences that led the scientist to draw conclusions are

a) There are <u><em>no chloroplasts</em></u> in the plant’s cells.

4. Photosynthesis is different from cellular respiration as

c) The <em>process involves light</em>.

5. Water be listed for

a) cellular respiration

Answer to question-3

Carbon is moved between the major reservoirs of the carbon cycle through:

d) <u><em>photosynthesis and cellular respiration</em></u>

Learn more:

brainly.com/question/9498584

6 0
2 years ago
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What is some advice you would give to someone who doesn’t know the importance of carrying capacity
Aleksandr-060686 [28]

Answer:

For someone who doesn't know the importance of carrying capacity, i would advice him to understand what carrying capacity mean, and then tell him that he should not overcrowd the population of animals or be part of humans overcrowding as it can destroy the ecosystem or resources.

Explanation:

This is because, carrying capacity is the population size that can conviniently live in an habitat with the available resources..

It's very important because, it will ensure that the population size that the resources can sustain can live in the environment so as to prevent degradation of the ecosystem or the environment due to increase in population size.

5 0
3 years ago
What function do the alveolar sacs serve in the respiratory system?
Brrunno [24]

These alveoli are the smallest types of lung tissue, and one of the most important. In addition to being the primary means by which oxygen enters and carbon dioxide escapes the bloodstream, these small pouches of air are also the reason why the lungs do not totally collapse when a person breathes out. This is because they contain a cell that secretes a special chemical to lower the surface temperature to prevent lung collapse. The alveoli also contain other cells that secrete chemicals to attack and remove any foreign objects in the lungs, such as dust, dirt and other debris.

In addition to making up alveolar sacs, alveoli also form alveolar ducts. It is estimated that there are more than 300 million alveoli in the human lungs, all of which are located in either alveolar ducts or sacs that are found at the end of the smaller passageways, or bronchioles, in the lungs.


SHORT ANSWER:

Alveolar sacs contain tiny pouches called alveoli, whose primary function is gas diffusion. These clusters of alveoli have thin walls that allow oxygen to pass easily from the lungs into the bloodstream and carbon dioxide to flow from the blood to the lungs so it can exit the body.

8 0
3 years ago
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