Answer:
C. Atomic Number
Explanation:
Atomic number, also known as proton number, never changes. Therefore it allows us to identify each atom.
Living things contain four major types of carbon-based molecules. The organic molecules in living things fall into four major groups— carbohydrates, lipids, proteins, and nucleic acids. You may already be familiar with these types of molecules and their functions.
It is endangered? Because a kirtland warbler is a big species.
both coasts have abundant Barrier Islands. the average longshore drift direction on both coasts is from north to south. Both coasts are rising, and so are dominated by emergent shoreline features.
