What is a stationary front? A:when a cold air mass and a warm air mass meet and don't move

B:when a warm air mass doesn't move

C:when a cold air mass remains in place

D:when two cold air masses meet and don't move

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: