What type of lens is this? parabolic plane convex concave

The answer is concave.

This is a concave lense because it’s thinner in the middle which allows rays of light to pass through the middle and diverge, or spread.

Hope this helped!

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.