| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.55 |
| Score | 0% | 71% |
When two air masses meet and neither is displaced, what kind of front is present?
cold |
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stationary |
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warm |
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occluded |
When two air masses meet and neither is displaced, a stationary front is created. Stationary fronts often cause persistent cloudy wet weather.
Which of the following states of matter exists at the lowest temperature?
none of these |
|
solid |
|
liquid |
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gas |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
The respiratory and circulatory systems are similar in that they:
transport nutrients |
|
deoxygenate blood |
|
add carbon dioxide |
|
transport oxygen |
Like the respiratory system, the circulatory system serves to transport oxygen throughout the body while removing carbon dioxide. In addition, the circulatory system transports nutrients from the digestive system.
The __________ nervous system controls voluntary actions.
central |
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peripheral |
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somatic |
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autonomic |
Part of the peripheral nervous system, the somatic nervous system is made up of nerve fibers that send sensory information to the central nervous system and control voluntary actions.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a community |
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a biome |
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a food chain |
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a population |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).