The amount of water on the planet is fixed; it neither increases or decreases. Glaciers are sheets of moving ice. This water to form these extensive sheets must come from somewhere. The water comes from the most extensive store on the planet; the oceans. Ice Ages always corresponds to periods of low sea level because much of the ocean water is is land locked as glaciers.
Answer:
photograph cells in mitosis
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
Answer:
A. Weather.
Explanation:
Usually or average are terms that are often associated with weather conditions.
Weather is the average atmospheric conditions prevalent in a particular place over a short period of time.
When forecasting weather, predictive terms like usually are employed to denote expected weather events