Why does a solid have a definite shape and volume? A. The particles in a solid are not attracted to one another.
B. The particles in a solid vibrate around fixed locations.
C. The particles in a solid are not tightly packed.
D. The particles in a solid travel at a high speed of motion.

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy