Most of the oxygen gas present in the atmosphere is produced as a result of

Number and variety of living organism; includes genetic, species, and ecological types

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.

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.