In the diagram, which of the following represents the activation energy?

Ineed to find the answer of this question because i dont understand it

Define a is a tiny pavket of energy

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c