Hello!
The pressure of the gas when it's temperature reaches 928 °C is 3823,36 kPa
To solve that we need to apply
Gay-Lussac's Law. It states that the pressure of a gas when the volume is left constant (like in the case of a sealed container like an aerosol can) is proportional to temperature. This is the relationship derived from this law that we use to solve this problem:

Have a nice day!
Quartz is a substance because the material has uniform properties throughout and is held together via chemical bonds.
They will most likely make a table, or some sort of graphing chart
The lynx population increased as well because hare are the prey and the lynx are the predators.