Answer:
Your digestive system absorbs water and nutrients from the food you eat. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin.
Explanation:
D) would be the answer
Why? when using a scientific method you don't want to choose another thing do you?
Answer:
Glacial striation is your answer