The population of the world nearly doubled between the years of 1965 and 2000.
O False
O
True
True

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

How have the greenhouse gasses increased from the year 2000 to 2018