Radioactivity is a ______ (A) Spontaneous activity (B) Chemical propertyPhysics A. A & B B. B & C C. C & A D. A B & C
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is