How does the greenhouse effect work? Why is it called that? What effect does it have on the temperature of the Earth?

Why are graphs useful when interpreting data

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

What is the relationship between the direction of motion of the balloon and the wind currents