I will give brainliest I need help pls

Giardia is a eukaryotic organism that can cause intestinal illness in dogs, cats, and humans.

Which of the following distinguishes Giardia from all prokaryotes?

Choose 1

(Choice A)
A
It is single-celled.

(Choice B)
B
It can reproduce.

(Choice C)
C
It has cytoplasm.

(Choice D)
D
It has a nucleus.

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

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.)