Why are cirrocumulus clouds sometimes called mackerel clouds

Write a paragraph at least 10 sentences explaining how rocks are used today in society

How many miles of water are produced if 5.43 mol pbo2 are consumed

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)