The graph above shows the composition of Earth's crust and the Moon's crust.
For which element is there the greatest
difference between the percent by
mass on the Moon and the percent by
mass on Earth?

Silicon
Magnesium
Oxygen
Iron

Organisms within a population must compete for resources to survive

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)