Which of the following expected to have the highest value (gm/m²/yr) in a grassland ecosystem a) Secondary production
b) Tertiary production
c) Gross production
d) Net production​

Which element provides strength to the exoskeleton of clams and oysters

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.)

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin