What is the age of earth :4 billion years
:4.6 billion years
:4.56 billion years
:4.66 billion years
:4000 billion years

What acceleration is produced when a 3,000-n force acts on a 1,200-kg car? ignore the friction

Democratic vs democratic whats the difference? ?

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.