Why does a river curve and twist instead of running straight?

Why does a river curve and twist instead of running straight

There are many bodies of water in our planet, wherein its surface takes up 71 percent of water, and among these bodies of water, includes the river. Rivers are usually long watercourses, flowing with fresh water towards oceans, seas, lakes, as well as another river. There are plenty of rivers all around … Read more

What is the number of active volcanoes in the world?

What is the number of active volcanoes in the world

Including those that are submarine or under the surface of the sea, there are about 1,343 active volcanoes in the world. Indonesia, which comprises of over 13,600 islands, has 76 historically active volcanoes, and about 80% of them erupted in the 20th century. There have been a total of 1,171 eruptions in … Read more