Our watersheds need to be kept healthy and free of contaminants because we need a place to put trash
it reduces flooding where we live
they allow for more erosion
we don't need to protect the water supply

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

Chemistry worksheet - i am not sure what they are asking for exactly?

What volume would 2.25 moles of ne has occupy at stp?