Why is plate tectonic movement considered a constructive mechanism while weathering anc erosion are considered destructive mechanisms

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

What did hunter gathers do to alter the environment?

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?