False
Alkaline is something we use everyday
Acid is something sour eg lemons
Pretty sure it's the Precambrian.
The pressure would increase. When the temperature change form cold to hot, the gas will find ways to escape from containment. Thus, if it cannot escape that pressure will keep on increasing as the temperature rises.
I am going to say C. it has to do with the angles
You have to start listing from the bottom :
3. Secondary Consumers
2. Primary Consumers
1. Producer