Chemical, mechanical, and electrical I do believe !
It was Thomas Malthus who first hypothesized that more offspring were born in a population than could survive based on limited resources. He concluded people would have to leave or die.
Answer:
Cell membranes are in both, the plant and animal cell.
Explanation:
Plant cells have a cell wall and a cell membrane. In plants, the cell wall and cell membrane give the plant support and structure which giving the plant cell its unique rectangular shape. Animal cells also have a cell membrane, but doesn't have a cell wall.
Helicases are enzymes. During DNA replication, helicases are important because they SEPARATE double stranded DNA into single strands... allowing each strand to be copied.
The name of the super continent is Pangaea