How many molecules are there in 162 grams of no2

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?

What is true of composite volcanoes?