| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.29 |
| Score | 0% | 66% |
Which of the following states of matter exists at the highest temperature?
gas |
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liquid |
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solid |
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none of these |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
The crust and upper mantle of the earth is called the:
hydrosphere |
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atmosphere |
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geosphere |
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lithosphere |
The biosphere is the global ecological system integrating all living beings and their relationships. This includes their interactions with the lithosphere (the rigid outer part of the earth, consisting of the crust and upper mantle), hydrosphere (all surface water), and atmosphere (the envelope of gases surrounding the planet).
In the heart, blood flows from the right __________ to the lungs then back to the heart via the left __________.
atrium, atrium |
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atrium, ventricle |
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ventricle, atrium |
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ventricle, ventricle |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.
Which of the following is the smallest component of an element that still retains the properties of the element?
atom |
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molecule |
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element |
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neutron |
An atom is the smallest component of an element that still retains the properties of the element.
Minerals, vitamins, and fiber are:
micronutrients |
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proteins |
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carbohydrates |
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macronutrients |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.