The answer is B, transpiration.
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers.
Copying my answer from this question from another student who asked the same one:
Social Darwinism is the belief that people and business are subject to the same laws of nature and natural selection. This has been used by business leaders, both in the Gilded Age and today, to create a belief that the strongest businesses are the ones that survive because they survive the competitive process of natural selection.
So, massive oil companies and railroad companies (and tech companies and banks today) used social darwinism to explain their rise to almost monopoly status as a "natural" thing that was accomplished merely using the laws of nature.
One similarity between the Mayans and ancient Egypt is that both have developed a script without any outside influence, and that their script (the Hieroglyphs and the Maya script) are a combination of a syllabic and logographic script - some words have their own symbols, but there are also symbols for single sounds
When George Washington refused a third term in 1797, Adams was elected President (1797-1801). In 1797, Adams became the second President of the United States. He was the first President who belonged to a political party - the Federalists. ... He maintained his resolve to keep the United States out of war.
Trappers faced attacks from indians and or wild animals. they also faced dangerous weather such as snow, sleet, and dangerous winds.