The correct option is B.
A positive feed back refers to the amplification of a particular effect by its own influence on the process that gives rise to it. In positive feed back, the specific response that is obtained as a result of a process continue to increase as the process continues or increase, that is both the process and the effect generated increase.
Answer:
For example, the allele frequency of the mutant cystic fibrosis allele among Caucasians is 0.025, while the frequency of the normal allele is 0.975.
Explanation: hope fully this helps
Answer:This type of plate is Convergent plate boundary.
Explanation:from this figure we can see that two plates meet together and one of this plates go under the other plate and this represent the convergent plate boundary.