The term amphoteric describes a substance that can act as both an acid and a base.
Answer:
The Sun, Earth, and the Moon form a night angle.
Explanation:
I think the answer would be b because your throat is reacting to the cough?
1 mole of any gas under STP has volume 22.4 L
So 2.50 moles of any gas ( including oxygen)
2.50 mol *(22.4L/1 mol)=56.0 L
