Answer: D. the hardening of liquid magma that leads to igneous rock
Explanation:
Answer:
B. 214.02
Explanation:
1 mol of water weighs 18.015 gm and contains 6.023 × 10²³ molecules
From question, We have 7.15 × 10²⁴ molecules
Dividing we get (7.15 × 10 ²⁴) ÷ ( 6.023 × 10²³) = 11.871 molecules
Now, Weight of water = 11.871 × 18.015 = 213.85 which is nearer to option B
Answer:
D. reducation of cold-related deaths
Explanation:
CO2 had nothing to do with coldness.
- CO2 would increase water pollution, ocean acidification, and logging therefore D. is the only answer that would fit.
