Answer:
(in some cosmological theories) nonluminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles (cold dark matter) or high-energy randomly moving particles created soon after the Big Bang (hot dark matter).
Explanation:
He looked startled for a moment, and then composed himself
I cant answer this if there's now question
Answer:
Help Local Sellers to be Competitive.
Explanation:
Tarrifs are created to discourage imports by making the prices of imported goods higher local products so as to give competitive edge to domestic products.