PLEASE HELP I DONT UNDERSTAND AT A

If the temperature of 153.7 L of a gas at 38.6 ºC falls by 9.6 Cº, what is the new volume of the gas if the pressure is constant?
Select one:
a. 149
b. 153.700
c. 115
d. 139.40

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Why doesn't heat added to water make the tempature rise above 100c

All forces cause motion? true or false