Technically, it should roll forever.
Answer:
A. cell walls
Explanation:
Plants have cell walls but animals dont.
Answer:
Classification of the Elements. These three groups are: metals, nonmetals, and inert gases.
Explanation:
Answer:
1.75atm
Explanation:
According to Boyle's law, the pressure P of a fixed mass of gas is inversely proportional to it's volume V provided that the temperature remains constant.

This implies the following;
Provided temperature is kept constant.
Given;

From equation (1), we can write;

Since all the units are consistent, there is no need for conversion.