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Atoms in which the number of protons is different from the number of neutrons are called ___?

Which of the following elements did not form through Big Bang nucleosynthesis?

Why does electron microscopy produce images at a higher resolution than light microscopy.

Why might iron meteorites not exactly match Earth’s core’s estimated composition?

Which of the following is a possible origin of Ne? Choose all that apply.

Continental lithosphere is characterized by which of the following? Choose all that apply.

What is the correct order of differentiation of the Solid Earth 

At what temperature will Forsterite melt, assuming pressure stays at 50 kBar?

____ are rocks or sediments containing economically valuable minerals and elements at concentrations higher than background levels.

What are ways scientists can estimate the cores composition? Choose all that apply