Answer: xylem and the outside, which differentiate into phloem
Explanation:
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)
The sun is at the center of our solar system but it is not the center of our universe
Answer:
Population Growth: Exponential
Subsistence Growth: Arithmetic
Explanation:
Thomas Malthus was kind of a pessimist. His theory says basically we will run out of food and die. People grow like this equation: 2^x while food grows like this equation: 2x. So if you understand that it explains it.
PS: is this a biology question??? i remember learning this in AP Human Geography