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.
Answer:
The lava creates magma, then that magma cools. Overtime this can result in certain minerals forming.
Explanation:
There are many events that would likely to happen when the El Niño year kicks in. During the period, there trade winds in the Central Pacific and Western Pacific is weaken. The temperature of the surface water in South America increases making it warm. Most of all, the weather in all over the planet changes.
