Answer:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Explanation:
D is the most likely answer because as the glacier moves across the landscape, it leaves many deep ridges into the earth. They eventually collect water and form deltas.
The cell membrane is said to be selectively permeable is because it allows a select few things to go through while stopping the passage of other stuff.