| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.90 |
| Score | 0% | 58% |
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
nimbus clouds |
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cumulus clouds |
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cirrus clouds |
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stratus 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.
Which of these is matter than cannot be separated into different types of matter by ordinary chemical methods?
atom |
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compound |
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molecule |
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element |
An element is matter than cannot be separated into different types of matter by ordinary chemical methods.
Which of these foods should a person with high cholesterol avoid?
vegetable oils |
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olive oil |
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eggs |
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avocados |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils). Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
Which of the following is the primary difference between a comet and an asteroid?
asteroids have a coma |
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comets have an atmosphere |
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comets orbit the Sun |
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asteroids contain frozen water |
A comet is a loose collection of ice, dust, and small rocky particles that, in contrast to an asteroid, has an extended atmosphere surrounding the center. When passing close to the Sun, this atmosphere warms and begins to release gases forming a visible coma or tail.
In cell biology, where does DNA replication take place?
Golgi apparatus |
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nucleus |
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mitochondria |
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cytoplasm |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.