Which of the following is the correct electron dot formula for ethane C2H6 one of the components of natural gas

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

Which proportionality applies to avogadro’s law?