Do plates move about 2 to 5 centimeters per year?

Yes. Due to the magma in the mantle, the tectonic plates in the upper crust of the earth move because of a process called *convection. The heat from the magma causes the tectonic plates to move at a very very slow rate

*An example of this is when you're cooking food in a pan. The food is getting hotter because the heat rising from the stove heats the pan.

In simpler terms: Stove ~~ Pan --> hot food

*There is no direct contact between the stove and the pan which is a defining feature of convection.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

b. the carbon cycle ensures living things have a source of hydrogen