Answer:
Anything that shares electrons.
Explanation: This means they don't transfer electrons.
Answer:
a
Explanation:
most of the world is made of water because the oceans.
Methanol is not an example of a fossil fuel.
Answer:
6.67 moles
Explanation:
Given that:-
Moles of hydrogen gas produced = 10.0 moles
According the reaction shown below:-

3 moles of hydrogen gas are produced when 2 moles of aluminium undergoes reaction.
Also,
1 mole of hydrogen gas are produced when
moles of aluminium undergoes reaction.
So,
10.0 moles of hydrogen gas are produced when
moles of aluminium undergoes reaction.
<u>Moles of Al needed =
moles = 6.67 moles</u>
The correct answer is letter D: Quartz.