Water filter project: using different types of filters to filter water, trying to figure out if the changes to the water would be physical, biological or chemical.
the filters are:
rocks
charcoal
radiological
polyfill
cotton cloth.

Which mathematical relationship should you us to convert moles of a substance into grams

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe