Which blood component fights and destroys disease-causing bacteria and
viruses?

explanation:

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 sex-linked recessive.

your answer would be a, maximum exploitation of resources.