If there were no dark matter, how would the motion of stars around the core of a galaxy be changed?

Why does less erosion & more deposition take place on the outside bank of a meander?

Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders

Which describes the solid flying debris from a volcano