Why does angular dependency injection need typing.

An atom's diameter is about 0.1 nanometer (1×10-9m), and a human hair is about 1×10-3m. how many times greater is a human hair than an atom's diameter? sorry pushed wronf button but this is math

Which of the following is not a symptom of chronic fatigue syndrome

Examine the list below. which factors positively affect lifetime income? check all that apply.