Which organ contracts and causes pressure change in the chest cavity during breathing? diaphragm

lungs

trachea

bronchus

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

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

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.