Light travelling in one material enters another material in which it travels faster. The light wave will:
A) bend toward the normal
B) decrease in wavelength
C) increase in wavelength
D) experience only reflection

answer; how far out of place which the object finished relative to the starting location;

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

3. dark matter

empty space could also be a simple vacuum

answerdmitry mendeleyev made a workable classification of the elements