<em>Back up item/plan</em>
an alternate would be; if you forget/lose/can't have something, you can replace it with something else. Ex; Bobby (I don't know any Bobby's so I'm going to use this name) forgot to bring his football, so we kicked a turkey around.
Answer:
Maybe A?
Explanation: Because it reflects the population
Answer:
3
Explanation:
because the others are not refering to the situation