"B.) profound social and economic changes occurred" because when the industrial revolution happened a lot of how we make stuff was changed, by factories, and because of this new jobs where created. This gave people money and thus social and economic changes happened.
Going to high power on a microscope decreases the area of the field of view. The field of view is inversely proportional to the magnification of the objective lens.
I would say D) all of the above.
Answer:
it should be important because Energy needs to be transferred through an ecosystem to support life at each trophic leve.. hope this helps
Explanation:
