Water pollution has severely impacted animals and plants in New York's Hudson

Which of the following best describes the formation of plasma?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely