Gondwana<span> was an ancient supercontinent that broke up about 180 million years ago.</span>
Contour lines do not cross one another because each line represents a different elevation on a topographic map.<span> </span>
It takes approximately 30 days.
Answer:
There is a large number of volcanoes in the Pacific Ocean which continuously erupts when these volcanoes erupt they cause many earthquake in Ocean . it is dangerous because it can harm and destroy many ships and areas around that volcano
Explanation:
A.Hurricanes I’m sorry if it’s wrong