You have to measure the distance between them
Answer:
Protozoan infection of the intestines. Giardiasis forms cysts and travel through the feces so anything that comes in contact with the feces and the animal has consumed it will host the parasite.
Explanation:
DNA is the molecule that contains the genetic information that is transmitted hereditary and controls the cellular functioning
I'm pretty sure it is B. neap tide.
If that is wrong, then it is D. spring tide.