Which statement is true of all matter

Pluto is no longer considered to be a planet. Therefore, how many planets are in the solar system?

What is DNA? What information does it carry? Where is DNA located?

Explain what the police siren sounds like to Jane. Explain what the police siren sounds like to John. Explain why the police siren sounds different between Jane and John.

Why is the periodic table such a brilliant piece of work? Explain and give two reasons.

Two processes are described below: Process A: Rapid moving water strikes a rock on the bottom of a stream and breaks it into pieces Process B: Glaciers moving along a rocky surface form cracks in the rocks Which statement is true about the processes?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda