Which one of the graphs below also corresponds to a historical form of record keeping?

bar graph

pictograph

line graph

pie chart

Light travels at the rate of 300,000 kilometers per second in a vacuum." Which of these statements is correct about this law? It is a fact in nature which cannot be tested. It is a theory which is not supported by data.

Viewing moving objects from pond water under his microscope and named then animalcules

If you were stuck in the center of the bridge when it was swaying, where would be the safest place to walk back to land?

Of these nonmetals, which one is likely to be the least reactive? oxygen (O) sulfur (S) chlorine (Cl) fluorine (F)

What is the kinetic energy of a 25 kg object moving at a velocity of 5 m/s?

If a sugar has 11 oxygen atoms, how many hydrogen atoms does it contain?

Why do clouds tend to form around 3:00pm and 6:00am?

Why does sound travel faster under water?

Give one example when it might be important to know how much gravitational potential energy is stored by an object. Why is it important?

How much greater is the resistivity of lead to copper? 12 times 1.2 times 0.80 times 0.080 times