V-shaped channels like the grand canyon are formed by
question 9 options:

a sudden decrease in stream gradient

stream downcutting

streams overflowing their banks

streams capturing another stream

What did the first language sound like

What are the 3 types of artificial cloning

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?