| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.87 |
| Score | 0% | 57% |
Which of the following describes the Earth's mantle?
solid |
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liquid |
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primarily solid |
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primarily liquid |
Mantle makes up 84% of the Earth's volume and has an average thickness of approximately 1,800 miles (2,900 km). It is dense, hot, and primarily solid although in places it behaves more like a viscous fluid as the plates of the upper mantle and crust gradually "float" along its circumference.
The heart __________ blood.
creates |
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oxygenates |
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filters |
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deoxygenates |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
The rows of the Periodic Table of the Elements are called:
shells |
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periods |
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families |
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groups |
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.
Which of these does not contain oxygenated blood?
right atrium |
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aorta |
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left ventricle |
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pulmonary vein |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
habitats |
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animals |
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minerals |
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plants |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).