Only a few elements are dissolved in sea water. true or false

What diagram shows the ionic compound of magnesium oxide

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.