There is really nothing to know. All you have to use is context clues and common sense. We know some synonyms for direct are manage and handle. Indirect means not direct, right? And we can't handle or manage earth's interior (core), right? Therefore, the study of earth's interior is an example of indirect observation because we cannot directly manage it.
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Answer:
A hot spot
Explanation:
In geology, a hot spot is an area of the Earth’s mantle from which hot plumes rise upward, forming volcanoes on the overlying crust.
I hope this helps!
People usually bathe in it as spiritual rituals.
Answer:
According to Google, Nunavut has the lowest population density in Canada. This might occur because it's made up of islands and the area is a tundra so it's very cold and doesn't support agriculture. The islands are also accessible only by plane or boat so it's hard for people to move to the area.
Explanation: