Which of the following is a potential obstacle to the commercial development of brownfields? a. the presence of pollutants b. environmental cleanup laws c. the costs of environmental cleanup d. all of the above

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

How many types of rock can form from the rock cycle

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)