Why are submersed aquatic vegetation (sav) beds important to the marine environment?

Submersed Aquatic Vegetation (SAV) beds are important for marine environment because for waterfowl, they are like a food source and for fish they are their habitat. Submersed Aquatic Vegetation (SAV) are found in shallow areas, they are like grasses and they are important component of shallow water.

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."

c. heat from the poles back down towards the equator.