I believe the correct answer is A. Photosynthetic organisms, because they remove certain amounts of CO2 in the atmosphere to carry out the process of photosynthesis. Unlike the other options that increase CO2.
<span>B. During the early 1900s, the populations of US cities located on the West Coast were the highest, but by 2000, the populations of cities located in the Midwest became greater than those of the East Coast</span>
Answer:
Population growth or decline is influenced by many factors that fall into the broad realms of demographic characteristics, socioeconomic conditions, transportation infrastructure, natural amenities, and land use in development across space and time.
Explanation:
Hope this helped Mark BRAINLEST!!!!!
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