An eclipse would make sense, also can I get brainlest
That's D. Viral Reproduction.
It's not A cuz those are not bacteria
It's not B cuz diffusion deals with passive transport across membranes
It's not C cuz gamete formation deals with sex
Data have shown significant differences in nitrogen retention, blood cortisol concentrations, vital signs, water con- sumption, and urine production. Implications are that total energy balance is altered when an animal is exposed to ectoparasite infestations, thereby resulting in decreased productivity.
If I'm not mistakened, the answer is D
Hope this helps :)
Answer:
Scientist study moving forces, biology, chemistry, and any other natural or unnatural study.