The answer is proteins. Hope this helps.
True. Things such as a sponge, placozoa and stuff can be unicellular. But other bigger animals are multicellular, like a whale or dog.
Answer: Variolation
Explanation:
Variolation can be defined as the condition in which the inocolutaion of the individuals with the infectious materials, scabs or pulses from the smallpox victim.
This was introduced by the route of nasal passage or injected intravenously. The infection that developed because of this was less than normal and it provided protein against more serious disease.
Hence, the correct answer is Variolation.
I think the correct answer from the choices listed above is option A. One common advantage of a long-term investment is higher return. The longer you invest the higher possibility to earn more. You might sometimes experiences losing but still you have the chance to get back what you loss over the time.