| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.78 |
| Score | 0% | 56% |
__________ and __________ pair to strengthen bones.
iron, calcium |
|
vitamin D, magnesium |
|
vitamin D, calcium |
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calcium, vitamin A |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
The energy posessed by a ball on the window ledge of a tall building is an example of what kind of energy?
kinetic |
|
potential |
|
inherent |
|
gravitational |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.
Cellular fermentation takes place:
anaerobically |
|
in plant cells |
|
aerobically |
|
in the presence of oxygen |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
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.
Most digestion takes place where?
large intestine |
|
mouth |
|
stomach |
|
small intestine |
The small intestine is where most digestion takes place. As food travels along the small intestine it gets broken down completely by enzymes secreted from the walls. These enzymes are produced in the small intestine as well as in the pancreas and liver. After the enzymes break down the food, the resulting substances are then absorbed into the blood via capillaries in the small intestine walls.