Which of the following is the most important source of aluminum ore?

bauxite

pyrite

goethite

hematite

The model illustrates a process by which a substance is taken up by a cell

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds?