Which of these is a process in which the atmosphere interacts with the hydrosphere? shifting of Earth plates
erosion of soil by water
mixing of sand and water
formation of snow

every el niño cycle is different. every year.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.