1. Most of the earth's surface is covered with

When the excited electron in an atom moves to the ground state the electron is

How many atoms are there in 2 moles of oxygen

The transfer of thermal energy by convection is a very important process in the temperature distribution on the surface of the Earth. The term sea breeze describes a thermally produced wind blowing from a ocean surface onto adjoining land.

It's laundry day at Dan's house, so he plugs in his electric iron. What transformation of energy takes place inside the iron? The iron converts energy into energy.

What kind of cells do animals have?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda