juliashalnev
06.05.2020 •
Biology
The brownish gray rock with pebbles in it is called a conglomerate, and can
be seen below the obsidian in places around the museum. It has small
amounts of radioactive Potassium-40 present, at 0.625 grams. Very litde
potassium-40 is found in these types of rocks, and newly formed
conglomerate identical to this one contains only 1.5 grams of Potassium-40
How old is this rock?
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Ответ:
Not sure, calculus is hard along with 2 and 3.
Step-by-step explanation: