What happens when light rays incident on a convex mirror run parallel to its principal axis? a. the reflected rays go parallel to the vertex. b. the reflected rays pass through the focal point. c. the reflected rays pass through the center of curvature. d. the reflected rays go parallel to the focal point.

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

conservation of mass

mass before something happens = mass afterwards