Answer:
chemical bonds
Explanation:
Strong chemical bonds are the intramolecular forces that hold atoms together in molecules. A strong chemical bond is formed from the transfer or sharing of electrons between atomic centers and relies on the electrostatic attraction between the protons in nuclei and the electrons in the orbitals.
Answer:
observe organisms which live in water
Explanation:
Marine biology is the scientific research of an organization that lives in fresh water. A marine biologist is by definition a person who studies or works with doors that live in fresh water.
Marine biologists are exploring a wide range of aquatic species, from microbial plankton to massive ones.
Answer:
to show the function of one organ in the digestive tract in isolation
