Answer:
B. Children are particularly unconcerned with hygiene and therefore are the group most responsible for spreading the flu virus to others.
Explanation:
The flu virus is spread very easily and can be very dangerous for some groups of citizens such as the elderly and pregnant women. Some cities run influenza vaccination campaigns so that at-risk groups are vaccinated and immune to the disease. Vaccinated groups are elderly, pregnant and children, although the influenza virus is almost life-threatening for children, they should be vaccinated because they are not particularly concerned about hygiene and are therefore the group most responsible for spreading the virus. flu to others.
The cell membrane is the lipid bilayer surrounding the entire cell.The nuclear membrane, on the other hand,surrounds the nucleus. On the contrary, the nuclear membrane is not a continuous sheet but is made of a series of vesicles that come together to enclose the nucleus.
Answer : A, B , C
Explanation: the second option
