When kevin pulls his cotton shirt off his body, the electrons get transferred from the (shirt or body) to the (shirt or body) . so, the shirt becomes (positively or negatively) charged and kevin’s body becomes (positively or negatively) charged.

shirt, body, positively, negatively

Explanation:

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.  

it would be kevlar ^^