| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
Large, puffy, mid-altitude clouds with a flat base and a rounded top describe which of the following?
stratus clouds |
|
fog |
|
cumulus clouds |
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cirrus 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.
As part of digestion, the liver produces bile which breaks down:
sugars |
|
starches |
|
fat |
|
protein |
The liver produces bile which emulsifies (separates) fat.
Tertiary consumers eat which of the following?
all of these |
|
primary and secondary consumers |
|
decomposers |
|
producers |
Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.
The transfer of heat by the circulation or movement of the heated parts of a liquid or gas is called:
convection |
|
radiation |
|
conduction |
|
diffusion |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas. Examples of heat transfer by convection include water coming to a boil on a stove, ice melting, and steam from a cup of coffee.
212°F is how many °C?
\(135 {5 \over 9}\) |
|
-100 |
|
0 |
|
100 |
The formula to convert from F° to C° is:
\(C° = {5 \over 9} (F° - 32)\)
plugging in our values gives:
\(C° = {5 \over 9} (212 - 32)\)
\(C° = {5 \over 9} (180) = {{180 \times 5} \over 9}\)
\(C° = {900 \over 9}\)
\(C° = 100\)