Answer:
Greenhouse gases, including water vapor, carbon dioxide, and methane, form a small percentage of the overall atmosphere, yet they play an important role, trapping the heat required for life on Earth.
Roal Amunsen was the first.
Answer:
Alaska Volcano
Observatory has issued warnings stating that either or both could erupt in the weeks or months ahead, sending ash plumes into the atmosphere and possibly disrupting air traffic between Asia and North America.
Answer:
Explanation:
Find x and y simultaneously and then find the magnitude whose formula is r = (x² + y²)½ or under root