Explain why Mercury's surface temperature varies so much from day to night. more than 40 words.

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

what are the options.

explanation:

i think it's 35 meters

truck y has a greater velocity than truck x.