| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.11 |
| Score | 0% | 62% |
An asteroid belt holds many of the asteroids in our solar system. It is located between the orbits of which planets?
Mercury and Venus |
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Jupiter and Saturn |
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Mars and Jupiter |
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Mars and Earth |
The solar system also contains over a million rocky fragments of at least 1km in diameter called asteroids as well as millions more with smaller diameters. Many of these asteroids are an asteroid belt between the orbits of Mars and Jupiter.
In the water cycle, infiltration is most closely related to:
oceans |
|
water table |
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runoff |
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rivers |
The water then accumulates as runoff and eventually returns to bodies of water or is absorbed into the Earth (infiltration) and becomes part of the water table, an underground resevoir of fresh water.
In the food chain, omnivores may be which of the following?
primary or tertiary consumers |
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primary or secondary consumers |
|
secondary or tertiary consumers |
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secondary consumers or scavengers |
Secondary or tertiary consumers may be omnivores.
During digestion, after proteins are broken down where does the undigested food go next?
stomach |
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large intestine |
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small intestine |
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esophagus |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Carbohydrates are found in:
vegetable oils |
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sugars and starches |
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animal sources |
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food additives |
Carbohydrates are major sources of energy for the body and are found in sugars (fruit, cane sugar, beets) and starches (bread, rice, potatoes, pasta).