Which of the following movements of ocean water has the greatest direct effect on the growth of producers?

surface current
deep current
convection current
upwelling

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Which of the following is the most likely outcome of global warming