Answer:
The correct answer is option C. One system is switched on while the others are switched off is a false statement.
Explanation:
A biological energy system is a set of biochemical reactions known as metabolic processes that are concerned with the energy flow in an organism. In these processes energy converts into the ATP that is helpful in all types of cellular or muscular activity.
In the biological energy system, multiple or more than one system can be active at a time its not necessary that one system has to switch off while other is on.
Thus, the correct answer is option C. One system is switched on while the others are switched off is a false statement.
<span>B) to the left !!!!!!!!</span>
1) they have similar chemical properties.
for example fluorine from the 17th column is a non metal so does all the elements of that group.
2)they have same valence electrons in their outermost shell
example
electronic configuration of
hydrogen 1, lithium 2,1, sodium 2,8,1 and so on.
3) have same valency.
The virus that you want to grow immune to is injected into your body. This helps your body create antibodies to fight of the virus.