Answer as soon as possible/
Which of the following sustainable farming practices allows farmers to rely on their own water supply, rather than bringing in water from different locations?
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A. drip irrigation
B. using well
C. using insecticide
D. crop rotation

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.)

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?