Which two statements describe a mixture? A. It is a pure substance.
B. Its parts can be separated using physical means.
I C. It includes atoms of different elements.
D. It can result from chemical bonding.
SUBMIT

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?