Answer:
D. demand; increased
Explanation:
Demand is how much people want it.
Answer: B
Explanation: This can be easily done by inputting 5280 * 2.2.
The light must be either very dim or else non-existent.
We can't see the light wave or the label.
The first diagram is Nuclear Fission which is the splitting of a heavy, unstable nucleus into 2 lighter nuclei.
The second diagram is Nuclear Fusion which is the process where 2 light nuclei combine together releasing a lot of energy.