Drag the tiles to the correct boxes to complete the pairs.

Match the conservation actions to their effects.

answer; /// i believe that the correct answer is (50%);

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

answer; both surfaces of the membrane are nonpermeable

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher