Answer:
cells are regulated by their oxygen uptake
A. Pride I believe or B. Fear of strangers
Not sure, what youre talking about
A negative outcome of pesticides would be B. harmful to humans if used improperly.
Carbon would be the answer to this because it is an element while water is a compound. In addition, carbon had 4 bonding sites which allows it to form a variety of molecules like sugars, proteins, and even DNA that are essential for life as we know it.