1) use energy from food
2) get rid of wastes
3) maintain
Answer:
The seasons are caused by the tilt of Earth's axis in relation to the sun. ... During summer, Antarctica is on the side of Earth tilted toward the sun and is in constant sunlight. In the winter, Antarctica is on the side of Earth tilted away from the sun, causing the continent to be dark.
Explanation:
D. March because it is just below the 1 million marker on the graph and it is the only one that low.