Plant populations change over time by growing in size and diversity. They generally are the first part of an ecosystem after lichens (the pioneer species) and cause an ecosystem to flourish and allow for animals to move in. I don't know if this is the answer you were looking for but it should give you somewhat of a base.
Answer: a. Bring back furs to trade with France.
Explanation:
Louis and Clark set out on an expedition on May 14, 1804. The goal of the expedition was to explore the northwest from the Mississippi River to the Pacific Ocean. The Americans bought the territory from the French. The expedition contained 45 people, and due to the hard journey, 33 people returned from the expedition. The expedition lasted two and a half years.
Answer:
Satellites provided high resolution photos that helped scientists research the origins of the universe.
Satellites provided images from surrounding solar systems that confirmed the existence of other planets with water.
Explanation:
These two are true, the moon one might be true, depending on the people you ask.
Roosevelt's used pragmatism to address great depression.
<u>Explanation:</u>
Pragmatism is to try new methods and theories to find solutions to a particular problem. If a theory or a method helps to solve that problem, it is accepted but if that method fails, then some other method is to be selected to solve that problem.
This was the method that was used by Roosevelt to deal with the problem of great depression. They keep trying the methods till you reach the most appropriate method to deal with the problem.