Can be helpful or harmful depending on point of view

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.