Choose the correct word from the drop-down menu to complete each sentence. is dark, highly decomposed organic matter found in soil.

is a mixture of materials that holds moisture and drains well.

contains coarse grains and allows water to drain quickly.

contains medium grains and retains water.

contains fine grains and has little space for water.

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.