Answer:
Yes ,each living cell possess a cell membrane,which has a
semi-permeable barrier for various foreign particles.
Explanation:
Most of earth’s fresh water is stored in polar ice caps/ glaciers
False because it does not have a refraction
Answer:
The new pressure of this gas is 30 atm.
Explanation:
According to the Boyle's law, pressure of a gas is inversely proportional to its volume. It is given as :

Here,



So, new pressure of this gas is 30 atm.