Answer:

Explanation:
We can use the Ideal Gas Law — pV = nRT
Data:
V = 15.0 L
n = 0.55 mol
T = 300 K
Calculation:

Answer:
water
Explanation:
Because it does not have more than one component.
Alpha and Beta particles can be stopped by our skin. Gamma particles cannot be stopped by our skin.
When sudden changes occurs in the body. lack of blood flow in the brain
A. Two electrodes separated by an electrolyte that can generate an electrical current.