Todd's teacher told him that the gas used to power cars is a natural resource and would run out in the future. What is one way Todd could help to conserve this natural resource?

a
Todd could try to dig in his backyard to find more natural gas.
b
Todd could put water into the car's gas tank instead of gas.
c
Todd could put less gas in the gas tank each time he fills it up.
d
Todd could use a car powered by electricity instead of gas.

1 answer

d - Todd could use a car powered by electricity instead of gas.