The answer to the first one is sublimation.
Answer:
Be pushed away from each other.
Explanation:
<em>"A concave lens is thinner at the center than it is at the edges."</em>
If this isn't on the list of choices, that's tough. We can't help you choose the best one if we don't know what any of them is.
Answer:
True
Explanation:
Because they are central to the human experience and are related to everything we do .
