Air circulates in Earth's atmosphere. What is the fundamental cause of air circulation in
Earth's atmosphere?
a. ocean currents
b. energy from the sun
d. earth’s magnetic field
i have to have where i found the answer on, so if you have the hmh sixth grade book it will help.

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate

Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.