If a reaction in one direction releases energy, the reaction in the opposite direction

a destroys energy.
b also releases energy.
c absorbs energy.
d cannot occur.

Ineed to know why d is the correct answer asap

If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature