Answer: D - Lipids
Lipids provide a long term energy storage because they contain longer C-H bonds compared to the other organic molecules, making it easier for them to store larger amount of energy. Moreover, upon burning they produce twice the amount of calories compared to that of the carbohydrates.
About 37.2 trillion cells present in the body of an adult human.
The virus is unable to replicate.
By increasing green house gases in the air like Carbon Dioxide, Methane, and Nitrous oxide.
