A river with large, smooth rocks on the bottom, small and medium sized sediment is moving downstream. Which conditions resulted in the erosion of larger rocks, like the one circled in the image? Check all that apply.
low gradient, low velocity
low gradient, high velocity
low gradient, high volume
high gradient, low velocity

Diamond cannot conduct electricity but graphite can why??

answer: c.

explanation:

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.