Earth Scientist <span>Earth science or geoscience is an all-encompassing term that refers to the fields of science dealing with planet Earth. It can be considered to be a branch of planetary science, but with a much older history. There are both reductionist and holistic approaches to Earth sciences.</span>
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Answer:
Element
Explanation:
An element is the simplest form of a matter. It can not be broken down into a simpler substance without loss of identity.
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ANSWER:
A. n=5 to n=1
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Answer:
(ΔHrxn) = 1.273kJ/mol
Explanation:
Applying
m=78.2, c= 3.97, ∆t= 25.8-21.7
(ΔHrxn)= mc∆t
=78.2× 3.97× 4.1= 1.273kJ/mol
False. It is used to show the Ph of something.
