Explanation:
info gathered b4 and after an experiment is used to confirm or disprove a hypothesis ( educated guess).
Answer:
cells
Explanation:
cells carry out functions for life
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase, because of an increase in agriculture and because more land will have to be cleared for increasing populations and agricultural use.
Answer: Erosion is the process by which natural forces move weathered rock and soil from one place to another. Gravity, running water, glaciers, waves, and wind all cause erosion. Deposition begins when erosion stops; the moving particles fall out of the water or wind and settle on a new surface.