Which statement is true?
-the earth's moon is thought to have formed when a mars sized planet collided with earth during its final stages of planetary accretion
-without the earth's moon, life on earth would not be possible
-the earth's moon is the smallest moon relative to its host planet
-the earth's moon is the same size as earth

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

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.)

All ova contain sex chromosomes corresponding to: x y xx xy