| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.66 |
| Score | 0% | 73% |
A subatomic particle found in the nucleus of an atom. It carries no electric charge. This desribes which of the following?
neutron |
|
proton |
|
atom |
|
electron |
A neutron is a subatomic particle found in the nucleus of an atom. It is neutral as it carries no electric charge.
The __________ is a system of muscles that allows breathing.
bronchioles |
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pulmonary |
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diaphragm |
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trachea |
The diaphragm is a system of muscles that allows breathing. During inhalation, the diaphragm expands and air rushes in to fill the space created. Then, during exhalation, the diaphragm contracts and forces the air back out.
Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of:
1 m/s2 to a mass of 1 kg/s2 |
|
1 mph to a mass of 1 kg |
|
1 m/s to a mass of 1 kg |
|
1 m/s2 to a mass of 1 kg |
Weight is a force that describes the attraction of gravity on an object. Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of 1 m/s2 to a mass of 1 kg.
Herbivores are __________ that subsist on producers like plants and fungus.
scavengers |
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secondary consumers |
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primary consumers |
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tertiary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
electron |
|
atom |
|
proton |
|
neutron |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.