Between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
as in any liquid, as heat is added, solutions become more capable of holding more dissolved material . (not sure if this is what you're asking as it seems to be missing information)
The correct answer is C: the gravitational forces due to the sun and the moon cancel each other's effect.
The initials will still be 4 feet above the ground.
Trees do not grow from the bottom up. At the branch tips there is meristem tissue, so called the apical meristem. Trees grow in height from these apical meristems, so trees grow from the top and the initials on the bottom of the tree will stay at the same height above the ground.