Question

select the correct answer
katrina inserts a key into her cars ignition. she turns the key, putting her car into ignition mode. in this mode, some energy is used to increase the temperature of the cars fuel. this energy allows the fuel to combust and the car to move. whats this energy called?
a. absorbed energy
b. activation energy
c. chemical energy
d. released energy
e. solar energy

Explanation:

Activation energy is the minimum amount of energy required to initiate a chemical reaction, such as the combustion of fuel in a car engine. The energy used to increase the fuel's temperature to make it combust is activation energy.

Answer:

B. activation energy