I think its B B)Warm water rises and cold water moves in to replace it.
Is there a multiple choice?
Answer:
Complete Circuit
Explanation:
A circuit is defined as a completed path for voltage to flow from a source of voltage through a load and back to the source. A complete circuit or path is often referred to as a(n) ? circuit. Before current can flow in a circuit, the circuit must be closed. 100% right
Increase .... decrease .... presumably it's the "best shape" for a body which has been formed by the gravitational force