| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
Which of these is not a type of fat?
saturated |
|
monounsaturated |
|
cholesterol |
|
polyunsaturated |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).
When two air masses meet and neither is displaced, what kind of front is present?
stationary |
|
cold |
|
warm |
|
occluded |
When two air masses meet and neither is displaced, a stationary front is created. Stationary fronts often cause persistent cloudy wet weather.
Convert -20C° to F°.
-36 |
|
78 |
|
36 |
|
-4 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(-20) + 32\)
\(F° = {-180 \over 5} + 32\)
\(F° = -36 + 32 = -4\)
Which of the following is the primary difference between a comet and an asteroid?
asteroids have a coma |
|
asteroids contain frozen water |
|
comets orbit the Sun |
|
comets have an atmosphere |
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.
During digestion, the kidneys filter substances from the blood. Which of the following is not filtered by the kidneys?
fats |
|
minerals |
|
salt |
|
water |
Chemical waste like excess water, minerals, and salt are filtered from the blood by the kidneys and secreted into the urine. Urine is transported from the kidneys to the bladder through ureters.