Galaxies and other large structures form in the universe about after the Big Bang. a. 3.7 billion years old Selected:b. 10^-35This answer is incorrect. c. 380,000 years d. 500 million years

Aray diagram for a refracted light day is shown. what does the dashed line represent

Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm

Diamond will scratch quartz. true or false