What two characteristics of earth allow liquid water to exist?

Based on the position vs. time graph which velocity vs. time graph would correspond to the data

How does a large body of water, such as the ocean, influence climate?

The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia