Since the early 1900s, many glaciers around the world have been rapidly melting. Human activities are at the root of this phenomenon. Specifically, since the industrial revolution, carbon dioxide and other greenhouse gas emissions have raised temperatures, even higher in the poles, and as a result, glaciers are rapidly melting, calving off into the sea and retreating on land.
<span>The male gamete in flowers differ to the animal male gamete because there is 1 animal male gamete whereas there are 2 male gametes in flowers.</span>
