Which is NOT a method of direct cell counting? spectrophotometry

Petroff-Hausser chamber

microscope cell count using fluorescence staining

Coulter counter

viable plate count

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase