What do oceans do to land

  The ocean covers about 70 percent of Earth's surface. The ocean plays a large part in Earth's environment. One of its largest roles is to soak up energy (heat) and distribute it more evenly throughout the Earth. The ocean also helps to absorb Earth's CO2.

Explanation:

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

answer; i believe that the correct answer is(d) nondisjunction during meiosis;