Power of Compounding with Example | Why You Should Start Investing as early as possible | FinShort#6

Assertion: Zero population growth should be achieved as early as possible to control human population. Reason. This requires not two children per couple but a little more.

Why is power of objective lens of a telescope kept as small as possible ?

Why should you hold coverslip only from its edges ?

Why do you think that exine should be hard? What is the function of germ pore?