Which of the following methods of human land use is LEAST LIKELY to cause
harm to the environment?
A. waste disposal
B. recreation
C. drilling
D. mining

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies