Layers of sand and other sediments that become sedimentary rock a. can contain the remains of plants but not animals. b. always contain the remains of both plants and animals. c. can contain the remains of animals but not plants. d. can contain the remains of plants, animals, or both.
i think its d.

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Where can you find prokaryotic and eukaryotic cells?

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation