A. "Chloroplast" is the main organelle for photosynthesis.
<span>Behavioralist perspective. Behaviorism is a psychological approach that is concerned with how external factors called environmental factors (known as stimuli) influences observable behavior (the response). The behavioralist believes we are the result of what we have learned from our environment but they also believe that the environment influences to a large extent our attitudes and dispositions to events; they tend to view people as controlled by their environment just as Mrs Thompson who believes her son's excellent performance is a direct result of her attitude. She believes her son's excellent performance is as a result of her praise and adoration. This clearly portrays the behavioralist who believe the son's great performance is directly influenced by the mother's actions.</span>
1. <span>It let people ride to work so they could live further away from their jobs.
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2. </span>Disease, fire, and crime.
3. It's a tricky question but this refers to majority, so the answer is "<span>They came through Ellis Island on the East Coast."
4. This is also a tricky one, but the answer is "</span>It established the idea of "Separate", but equal."
