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What is the volume of the ring?
A. 10 cm
B. 90 cm
C. 50 cm
D. 20 cm

There is an area in idaho named craters of the moon where most of the ground is covered with basalt, adark gray, igneous rock with no visibl crystals. what can you infer about the geographical history of the area?

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

How many atoms are there in 5.70 mol of mg