Compare and contrast photosynthesis and chemosynthesis

What was photo 51 with rosalind franklin?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water