Answer:
Savanna do not exist in the united states because there are no true tropic climates.
Answer:
D
Explanation:
Bone marrow contains stems cells which then turn into immature blood cells and they mature there. kinda like a school for young blood cells. they also make white blood cells and platelets.
Lysozyme is an antimicrobial enzyme produced by animals that forms part of the innatr immune system.
Answer:
The fact people don't want to change may be the greastest impact. Humans want answeres quick and easy we are willing to destory the earth for our ways as we have been for 1000ths of years. We never change we evolve but don't change our ways.
Explanation:
Hope This Helps
Have A Great Day
~Zero~