Which environment has low temperatures and low humidity? a. grassland

b. rainforest

c. tundra

d. wetland

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

What are the student's observations and inferences before he starts his investigation?

What is the next step in the process after a substrate enters the active site of an enzyme