A. The force that holds planets in their orbits is called a. parallax.
b. revolution.
C. rotation.
d. gravity.

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Giving an address, such as "1000 elysian park avenue, los angeles, .ca, its an example of describing the

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?