B. Identify the cleaning solvents used in the following substances. 1. Polar substances
A. dust
B. mud
2. Nonpolar substances
A oil
B. grease oil​

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

How many atoms are there in 5.70 mol of mg

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory