A scientist analyze a sample of ice from a layer that is 2500 layers from the surface she finds that contains an unusually high amount in volcano – information from a sample suggest that a large volcanic eruption occurred on earth about how many years ago

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:

d we did this already