Several different types of energy can be used to "give" a reaction its activation energy. List them

b.

hoped i

explanation:

littering streams           is the answer

answer; i believe the correct answer to the above question is ( friction)

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."