Unlike ionic bonds, covalent bonds involve the
a. development of positively and negatively charged ions.
b. sharing of electrons between atoms.
c. gain of one or more electrons by one atom from another.
d. loss of one or more electrons from one atom to another. machinery

Identify the examples in which sam interacts only with natural resources

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.