Sally has collected a sample of dirt from the riverbank and wants to analyze it first she decides to find the mass of the sample what tool should she use?

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

the answer is c. it will give up it's valence electron to the other atom.

i believe your answer would be c.. : )