| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.03 |
| Score | 0% | 61% |
Which of these vitamins doesn't come from food?
Potassium |
|
A |
|
D |
|
C |
Vitamins are necessary for a wide variety of bodily processes. Some vitamins like Vitamins A and C come from diet but others, like Vitamin D, are generated in response to sunlight.
Large, puffy, mid-altitude clouds with a flat base and a rounded top describe which of the following?
fog |
|
cirrus clouds |
|
stratus clouds |
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cumulus 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.
Herbivores are __________ that subsist on producers like plants and fungus.
primary consumers |
|
scavengers |
|
secondary consumers |
|
tertiary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
The angle of reflection is equal to which the following?
refractive index |
|
focal point |
|
90° |
|
angle of incidence |
The law of reflection specifies how waves, including light waves, bounce off of surfaces. Specifically, the angle of incidence of the approaching wave is equal to the angle of reflection of the reflected wave as measured from a line perpendicular (90°) to the surface.
When the clouds become too saturated with water, the water is released as precipitation in the form of:
snow or ice |
|
rain |
|
ice |
|
snow |
Rising into the atmosphere, the water condenses into clouds. When the clouds become too saturated with water, the water is released as snow or ice precipitation which may warm as it falls to reach Earth as rain.