2When are ratios useful? Choose the best answer.

How many pairs of chromasones are in each of your somatic body cells?

What are the rules of counting significant numbers?

If an object sinks in water it's density is less than that of water true or false

Trail mix is just that - a mix. Or in science terms, it is a mixture. One way you can tell this is a mixture is that you can A) eat all the parts. B) measure the amounts of the parts. C) separate the parts by their properties.

What type of mixture is a solution? heterogenous homogeneous none of these answers immiscible

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