| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.33 |
| Score | 0% | 67% |
In fermentation, what replaces oxygen in anaerobic respiration?
lactic acid or alcohol |
|
starches |
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ascorbic acid or peptides |
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water |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
Molecules and atoms that are outputs from a chemical reaction are known as which of the following?
reactants |
|
side effects |
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results |
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products |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
electron |
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proton |
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atom |
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neutron |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
cirrus clouds |
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nimbus clouds |
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cumulus clouds |
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stratus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.
Which of Earth's layers has weather?
mesosphere |
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stratosphere |
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troposphere |
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thermosphere |
The Earth's atmosphere has several layers starting with the troposphere which is closest in proximity to the surface. Containing most of the Earth's breathable air (oxygen and nitrogen), it's a region with warmer temperatures closer to the surface and cooler temperatures farther away which results in the rising and falling air that generates weather.