How can sudden events effect earth?

What is the significant figure of 5,000,000,000,000

What is the ballon temperature, in Kelvin, of Xe in the balloon?

Suppose you're attempting to measure the density of the liquid that is highly volatile (it evaporates quickly).

When an electric current passes through liquid water, hydrogen gas passes accumulates at one electrode and oxygen accumulates at the other. Which of the following is true? A) A physical change has occurred, with energy is being absorbed.

1. a) What type of compound are lithium fluoride and sodium oxide? Explain your answer.

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