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.
True. Historic texts can be trusted to help in the location of archaeological sites.
Archaeological sites
An archaeological site is a location that has been or may be explored using the discipline of archaeology and preserves traces of previous activity. It forms a part of the archaeological record. Sites can include those with few or no apparent remnants above ground as well as ones with standing buildings and other structures.
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Answer:
lived in the Andes Mountains, economy based on agriculture and built an extensive empire
Explanation:
Answer:

Explanation:
Given

Required
Determine an equation of a perpendicular line but with the same y intercept

Open bracket

A linear equation is represented with:

Where


By comparison:


So, the slope of
is m
Because the new line is perpendicular to
, the relationship between their slopes is:

Where
slope of the first equation
slope of the second equation
Substitute m for
in 

Hence, the slope of the new equation is: 
From the question, we understand that they have the same y intercept.
So, the equation of the new equation is:

Answer: it is characterized by dry summers and mild wet winters
Explanation: