Answer: Temperature before the increase in
was a few degrees lower than temperature after the increase.
Explanation:
According to Charle's Law which states that The volume of gas is directly proportional to the temperature of the gas, when pressure is kept constant.

(At constant Pressure)
With the increase in level
in atmosphere the increase in temperature of the atmosphere will be observed.
Hence, temperature before the increase in
was a few degrees lower than temperature after the increase.
C, to make sure the design works as expected.
A prototype is first, typical model of the said product. Hope this helps!
Answer: A, 1.3*1020, 1326
A. 1326
B. 2960.9
C. 9804
D. 8559.6
An hour is 60 minutes. So you multiple the hot by 60. You get 180 minutes plus the 75 remaining minutes. The answer is 255