| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.09 |
| Score | 0% | 62% |
Elements that belong to the same period in the Periodic Table of the Elements have the same number of:
protons |
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electrons |
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electron shells |
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atomic mass units |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a biome |
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a food chain |
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a population |
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a community |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
What kind of weather front is likely to create clouds and storms?
cold front |
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warm front |
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stationary front |
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temperate front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
high-altitude |
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low-altitude |
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mid-altitude |
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all-altitude |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
bronchioles |
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blood cells |
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capillaries |
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diaphragms |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.