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:
"130.75" is the correct solution. A further explanation is given below.
Explanation:
The given expression is:
⇒ 523÷4
i.e.,
⇒ 
Now,
On dividing "523" from "4", we get
⇒ 
the answer to your question is A
Answer:
Adaptation, dedication and drive
Explanation:
Refugees have to adapt from very different environments in a short period of time. If they can't adapt then they will have a difficult time