| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.43 |
| Score | 0% | 69% |
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
cumulus clouds |
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cirrus clouds |
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stratus clouds |
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nimbus 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.
The __________ is a system of muscles that allows breathing.
diaphragm |
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trachea |
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pulmonary |
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bronchioles |
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.
The energy posessed by a ball on the window ledge of a tall building is an example of what kind of energy?
inherent |
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gravitational |
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potential |
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kinetic |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.
During the water cycle, water enters the atmosphere as a gas through which process?
evaporation |
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both evaporation and transpiration |
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transpiration |
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precipitation |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.
Which of these is important for the body's maintenance, growth, and repair?
carbohydrates |
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fats |
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fiber |
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protein |
Found in both animal sources (meat, fish, eggs, cheese) and vegetables (beans, nuts, some grains), proteins are important for the body's maintenance, growth, and repair.