What determined the temperature, density, and ratio of hydrogen to helium of the universe soon after the Big Bang? A. the rate at which the universe expanded
B. the rate of nuclear fusion in the first stars
C. the density of the material the universe was expanding into
D. the timing of the transition from an opaque to a transparent universe

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you

answer; lower are;