Take some free points.i am leaving coz no one loves me in here

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

How do water’s relative densities as a solid and a liquid differ from that of most other substances? water’s solid and liquid forms have different densities, while most other substances have solid and liquid forms with similar densities. water’s solid and liquid forms have similar densities, while most other substances have solid and liquid forms with different densities. water’s liquid form is less dense than its solid form, while the opposite is true of most other substances. water’s solid form is less dense than its liquid form, while the opposite is true of most other substances.

What are the three groups of atoms that make up amino acids called