Charles lyell believed that: all rock was formed from heat and pressure catastrophic events formed the earth's features crustal rock precipitated from oceans covering the earth slow processes of erosion and deposition shaped the earth

An observation that requires measurement is called quantitative observable or qualitative

The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.