I believe it is C
B makes no sense to me because neither is going to be eliminated to my knowledge
A is wrong because they both sever you no mater age
Yes to some it does and to others it does not
The answer is simple currently I am in 9th and scored more than 90 percent by following methods:
1) sleep early and rise early ( it really helps)
2) Eat healthy food ( It keeps out brain active)
3) DO NOT PROCRASTINATE
4)Study on time and take break after every 1 hour
5) Do exercise it improves blood circulation (Helps brain)
6)Dont eat sweet and oily food
The unit used to indicate the amount of energy in food is Kilocalorie. Kilocalories (Kcal) is used to express the potential amount of energy found in food and can also be indicated by Calories. Kilojoules (Kj) is sometimes used to express food energy although its primary use is it is the unit for energy and work in general. The units refer to the energy produced when the food is completely burnt