A student sets up the investigation shown in the image.
The movement of colored water through the gravel best models-
Select one:
A)pollution of groundwater
B)conservation of water
C)condensation of water vapor
D)surface runoff of precipitation

Which of the following is the main purpose of a human community?

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?