The answer is C. I hope this helps
This membrane is called a selectively permeable membrane as it only allows for the entry of specific substances and does not allow of others.
Answer:
Herd immunity
Explanation:
Herd immunity refers to the resistance of a group of people against infection and the spread of a pathogen. It occurs when a high proportion of the members of that group are resistant against a particular pathogenic infection. When an earlier exposure or vaccination of a large proportion of individuals of a population does not allow the pathogen to spread among and infect the otherwise susceptible members of the population, the population is said to have acquired the herd immunity.
In the given example, vaccination of a large percentage of a population protected the susceptible individuals against a particular microbe. This represents an example of herd immunity.
Answer:
A. wind
B. coal
Explanation:
there are two fuels directly produces CO2 but is considered carbon neutral which are wind and coal
The correct answer is sewage, I just did this stuff in class last week.