Light hits ocean water during a storm with violent waves at an angle of 43° off normal to the water. Its angle of reflection must be:
A)there is no way to tell
B)430
C)470
D)137°

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a. a piece of paper b. a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

The air that we breath is made mostly of which gaseous molecule

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