<span>reaction of CO2 and H2O</span>
The answer is because its crystal cools quickly. Obsidian rock usually forms when cooling happens instantly.
Hope this helps!!
Answer:The polar climate regions are characterized by a lack of warm summers. Every month in a polar climate has an average temperature of less than 10 °C (50 °F). Regions with polar climate cover more than 20% of the Earth's area.
Explanation:
https://en.wikipedia.org/wiki/Polar_climate
you may search this link
Answer: This is a hard question because we need copper for just about anything. Some people say that electric cars are better because the conserve fuel, but they have copper. The source of all of our power (electricity) stems from copper. Simply said, no matter what you do to conserve copper, you are still going to need it and use it.
Explanation:
Jupiter is the correct answer