The heating of the lower layer of the atmosphere from radiation absorbed by certain heat- absorbing gasses is called ?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3