Answer:
I agree it would be A) IT is a reactant in a chemical reaction
Explanation:
a catalyst is a substance that causes a chemical reaction to happen in a different way than it would happen without that catalyst
Answer:
B. extremophiles
Explanation:
Archaea are often called <u>extremophiles</u> because they live in areas where most living things couldn't survive.
Since it has 4 protons, it must have an atomic number of 4. (That makes it beryllium.)
Since it has a 4 protons and 5 neutrons, it has a mass number of 9.
The lithosphere - rocks
(or geosphere)
The Earth's solid surface is the lithosphere. It includes continental and oceanic crust as well as the various layers of the Earth's interior.
