| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.10 |
| Score | 0% | 62% |
Poor balance could indicate an issue with which part of the nervous system?
cerebellum |
|
cerebrum |
|
spinal cord |
|
medulla |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
low-altitude |
|
all-altitude |
|
high-altitude |
|
mid-altitude |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?
reflection |
|
convection |
|
conduction |
|
radiation |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
During the water cycle, water enters the atmosphere as a gas through which process?
precipitation |
|
evaporation |
|
both evaporation and transpiration |
|
transpiration |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
stabilize, raise |
|
decrease, stabilize |
|
raise, decrease |
|
decrease, raise |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.