Which element is a nonmetal a aluminum
b gold
c carbon
d tin

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion