Fill in the blanks to complete each statement about igneous rock formation.

()rocks form when(___)cools below Earth’s surface.

()rocks form when()cools on Earth’s surface.

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

Electrons are emitted

The correct answer is weight.

The correct answer is:   [a]:   "polar easterlies move cool air to the mid-latitudes."