Which body systems need water to function properly? Digestive and Respiratory
Muscular and Excretory
Digestive, Respiratory, and Excretory
All of them​

I would say all of them since our body is needed 80% water

digestive, respiratory and excretory

the answer is "a.) well–developed vascular system."

explanation:

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."