Which type of radiation has the highest penetrating power?

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat