Compounds that can act as either an acid or a base are calleda. dual compounds b. solitionsc. amphoteric d. conjugates

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth

How much carbon is stored in the atmosphere as co2