How could you determine the acceleration of marble?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Why do cells appear different in distilled water than they do in 10% salt water?