Areaction which needs to gives off energy to complete the chemical reactions is called an

A reaction which needs to gives off energy to complete the chemical reactions is called an EXOTHERMIC reaction !!

Alpha particles have positive charge, beta particles have negative charge, and answer 4 just doesn’t make sense. thus, you are left with only one possible answer.

Most likely a is the answer - because  you generate   38 atp's but also consume an atp.   each atp gives approx. less than 4 kcal so probably a is the closest answer.