The answer is Clean Water Act
They provide the immune system with "memory" against previously encountered pathogens.
T memory cells are necessary for protective immunity against invading pathogens
Answer:
B. to have new plants that grow far away from parent plants so that they dont compete for resources
Explanation:
Answer:
C. Producers
Explanation:
Producers (plants) can turn the sun's energy into usable energy by photosynthesis. They are at the bottom of the food chain; all of our energy comes from them. :)
Answer: reproduction
Explanation: the process by which an organism produces its offspring is called reproduction.
