It is a two-step process that reduces the chromosome number by half from 46 to 23 to form sperm and egg cells when the sperm and egg cells unite at conception each contributes 23 chromosomes so the resulting embryo will have the usual 46
Explanation: Glaciers are massive bodies of slowly moving ice. Glaciers form on land, and they are made up of fallen snow that gets compressed into ice over many centuries. They move slowly downward from the pull of gravity.