Answer:
Bipedal posture allowed arms to be free to develop and use tools.
Explanation:
I am pretty sure it's D) use of electrons focused by magnetic fields.
Answer:
Kaolin
Explanation:
Trees, wind, and solar energy are all renewable resources.
Answer:
B I think
Explanation:
there are 2 directions and in each direction there are 2 working in it
Cellulose serves as a skeleton for plants
