True/false: Differences in air temperature are caused by differences in the energy of the molecules that make up the air

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

What is the correct lewis structure for chloroform chcl3

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?