On edge the answer is similar size, mass, and density.
Answer:
Plants that have many periods of reprodution are called perrenials.
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Answer: High
Explanation: High pressure systems are associated with fair weather because cool air is sinking. Also the humidity is lower and no air is rising, because there are no clouds forming.
Answer:
The answer is 1: Occurs in fluids.
Explanation:
Convection happens when a lot of heat in fluids/gas move and/or take the place of particles with less heat.