| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.85 |
| Score | 0% | 57% |
As part of digestion, the liver produces bile which breaks down:
starches |
|
protein |
|
sugars |
|
fat |
The liver produces bile which emulsifies (separates) fat.
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.
The heat from the Sun traveling to Earth is an example of which of the following?
conduction |
|
radiation |
|
convection |
|
electricity |
Radiation occurs when electromagnetic waves transmit heat. An example is the heat from the Sun as it travels to Earth.
When compared to eukaryotic cells, prokaryotic cells are:
less complex |
|
similarly complex |
|
none of these |
|
more complex |
Cells are classified into one of two groups based on whether or not they have a nucleus. Eukaryotic cells have a nucleus, prokaryotic cells do not have a nucleus and therefore have a less complex structure than eukaryotic cells.
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.