I need a plan to prevent erosion in the Niagara Falls for a project can you guys help me?
*Like a plan/idea to reinforce current existing plan*

Most scientific questions are based on opinions. hypotheses. observations. experimental data.

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Which of the following graphs have the same wavelengths