ADD THEM all, and then divide by four. Thats what I would do!
Explanation:
A chemical bond is a lasting attraction between atoms, ions or molecules that enable the formation of chemical compounds. The bond may result frim the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds.
Answer:
n a chemical reaction, delta H represents the sum of the heats of formation, commonly measured in kilojoules per mol (kJ/mol), of the products minus the sum of those of the reactants. The letter H in this form is equal to a thermodynamic quantity called enthalpy, representing the total heat content of a system.
Answer:
D. The organism was in abundance.