B is the nucleoid
D is Ribosomes
Hope this helps :)
Answer:

Explanation:
Brucellosis spreads from infected animals with the disease, or from any unpasteurized milk from cows who may have the disease. It is a very rare disease in the United States. Brucellosis can also be called Bangs.
The answer is Option B. Bangs. Best of Luck!
Explanation:
Carbohydrates are the main energy source of the human diet.
Fats are also a source of energy but fats are the slowest source of energy.
So that it can sustain different life that requires different environments. Angler fish, for example, require a dark and cold environment to thrive while tuna require a light and warm environment.
The answer is D because the layers all the way at the bottom had to be there for other layers to be built on top