What is the function/job of the digestive system? Question 2 options:

to take in oxygen and remove carbon dioxide

to transport nutrients and waste throughout the body

to get energy and materials from food

to remove waste from the body

The answer is B (to transport nutrients and waste throughout the body)

Explanation:

Took the test

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.