Which statement about the
TOTAL amount of water on
earth is most true?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Identify the structures ! 20 points

Both destructive and constructive, the natural event seen here, is important in destroying and creating landforms on earth. what is this event called? a) deposition b) flooding c) landslide d) sedimentation