I WILL GIVE BRAINLIEST Why don't we have a complete fossil record of all life that's ever lived?

A. Fossils exposed at Earth's surface are likely to be weathered and destroyed.
B. Fossil formation requires very specific conditions.
C. Soft shelled animals are not likely to form fossils.
D. All of the above (a, b, c, and d)
E. This is a trick question because we do have a complete fossil record of all life on Earth.

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Organize the following objects from lowest volume to highest volume

Which promotes sustainability? o a. using more landfills o b. finding new sources of coal o c. increasing consumption o d. encouraging recycling programs