Asatellite is always being pulled by gravity.
a. true
b. false

This is true. Gravity is constantly pulling on anything and everything (even light!), no matter how far away it is from another object.

An atom that has fewer electrons that protons is called a positive ion.

The radiation of the fire causes the saucepan to heat up. the conduction of the saucepan then to distribute the heat over the saucepan and to give heat to the water. the convection of the water distributing the heat within the water, till all the water is boiling