Layering is the most obvious feature of sedimentary rocks. The layers are piled one on top of the other.
Answer:
carbohydrates, lipids, proteins, and nucleic acids
Explanation:
There are thousands of different types of molecules in a cell, but there are only four major classes of biomolecules.
There are many criteria that are used to define living things. living things reproduce, grow, and develop. they respond to stimuli, use materials andenergy, and evolve and adapt over time to their environment. another criteria is all living things are made of cells.