Relate dark matter to the development of the universe after the big bang. in 3-5 sentences, speculate on how the development of the universe would have been different if there had been no dark matter. in your answer, use the term structures

There are weak or strong attractive forces between atoms of liquids with a high viscosity

What’s #16 asking me and how do i solve it?

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.