The classification of clouds is based on
a. color and form
b. density and color
c. form and height
d. height and density

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)

Brian made this table to organize his notes on changes of state change of state energy change melting gain freezing lose deposition gain condensation lose