One of all rocket designs is the ability to withstand extreme heat.

A. Criterion incorrect answer
B. Constraint incorrect answer
C. Prototype incorrect answer
D. Iteration incorrect answer

delete this messag epls it wont let me out this exit

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices