The production of egg and sperm cells is necessary for sexual reproduction because

Diagram of the evolution of land plants?

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land