Answer:
The digestive system breaks all proteins down into their amino acids so that they can enter the bloodstream. Cells then use the amino acids as building blocks to build enzymes and structural proteins.
Explanation:
Answer:
I would say A, Gravity can help erosion to occur.
Explanation:
While B,C,D do help cause erosion, that isn't the only way erosion can occur.
Answer:
There are two ways in which an electron can be excited enough to move to a higher shell and higher energy state.
Absorption of Photons. An element's electron can absorb a light photon to enter a higher energy state. ...
Collisions. ...
Collisions Variables. ...
Importance.
Explanation: