What part of a reflecting telescope would you measure to find the aperture?

air quality

poor drinking water

and heavy polution

can lead to poor health

answer; i do believe the correct answer is (river); /// good luck

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .