Answer:
Nitrogen gas (chemical symbol N) is generally inert, nonmetallic, colorless, odorless and tasteless. Its atomic number is 7, and it has an atomic weight of 14.0067. Nitrogen has a density of 1.251 grams/liter at 0 C and a specific gravity of 0.96737, making it slightly lighter than air.
Explanation:
Question 3 is uniformitarianism
Question 4 is sedimentary rock
D snails, guppies and plants. The community should be diverse and have lots of biodiversity.
Organic is safer inorganic is the same but less better
