Depositional landforms are the visible evidence of processes that have deposited sediments or rocks after they were transported by flowing ice or water, wind or gravity. Examples include beaches, deltas, glacial moraines, sand dunes and salt domes
Your answer is true. Covalent bonds are bonds between two atoms, and those two atoms share electrons.
Spectator ions are zero(0) due to change of chemical reaction and absence of ions above the compound.