Fertilizers added by farmers to the soil contained high amounts of nitrates. How do fertilizers affect the nitrogen cycle.

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

Explain how scientists use geologic time to determine the age of landforms.

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.