Help plz cuz I dont know how to do this.

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

What are the headings of a data table

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis. b. the primary role of microbes on the planet involves causing disease in animals and humans. c. microbes produce vitamins in the intestines. d. microbes play a role in breaking down waste and decomposing dead organisms.