Urinal system aka renal system
<span>Robert Hooke was the first person to see cells.</span>
The answer is either C because both C and D cause disease, but only C is a living organism. Hope that helps!
Answer:
A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.
well hope this help at least (good night)
