B
The insulin is made entirely by man but it is technically a organic compound still
Warm and cool air masses meeting near the South Pole.
Answer:
A. The nymph does not have wings.
Explanation:
The nymph takes time to develop into adult hood. And in adult hood is when it devolps its wings. So when its a nymph it does not have wings
Answer:
Four tropic levels.
Explanation:
Generally, there is a maximum of four trophic levels. Many consumers feed at more than one trophic level. Umm...for example, humans are primary consumers when they eat plants such as vegetables.
Answer:
(C) cohesion.
Explanation:
cohesion . hydrogen bonds hold water molecules together