Answer:
Glossopteris
Explanation:
Glossopteris is a fossil fern that helped support Wegener's hypothesis.
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Explanation:
Standard formation of an substance is defined as formation of one mole of substance from its constituting elements.
Chromium(III) nitrate is composed of chromium, nitrogen and three oxygen atoms.

A balanced chemical equation for the standard formation reaction of solid chromium(III) nitrate

Answer:
the number of neutrons for silicon is 14