The volcano in the image is called Ol Doinyo Lengai. This volcano formed as a result of two plates separating. Which other type of plate boundary forms volcanoes?

What is the chemical formula of the following compound

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

2. how is heavy water different from normal water