Hydrogen isn’t one of the primary macronutrients
Answer:
<em>D. Molecules are made of atoms of the same element or different elements.
</em>
Explanation:
Molecules are made up of atoms. The atoms forming the molecule can be same or different. The size and function of the molecules vary from each other. The properties and function of atoms change as and when it forms a molecule.
The atoms combine with the help of a bond and it can be a covalent bond or ionic bond or hydrogen bond to form a molecule. The bond between the atoms gives shape to the molecule.
C. The branch of biology that deals with interactions of organisms with each other and the surroundings :)
A hot dog would work but you didn't hear
