I think it’s D. Observant
If it’s wrong I’m sorry-
The most common source of infectious diseases in water supplies is:
a. algal blooms
b. sewage
c. surface runoff
d. none of the above (correct answer) (<span>The most common source of infectious diseases in water supplies is water contaminated with fecal remains of humans or animals and pathogenic microorganisms)
Which of the following is a nonrenewable resource?
a. geothermal
b. solar
c. nuclear
<span>
d. biomass
</span></span>
<span>A nonrenewable resource is a natural resource that we use and that can not be produced, so they are going to finish in some point. </span>
<span>phagocytic and natural killer cells, inflammation, fever
comprise our nonspecific internal defenses to disease.</span>
