Physics
Why two thin shirts can keep us warmer than a single thick shirt in winter ?

Air layer between two shirts behaves like insulating media
Air layer between two shirts works as good conductor
Two thin shirts become thicker so prevent transmission of heat
No radiation of heat takes place

ANSWER DOWNLOAD EXAMIANS APP

Physics
The mass defect is the result of what action occurring?

Protons and electrons being attracted to each other
Mass being converted to energy when protons and neutrons break apart in a nucleus
Energy being converted into moles of atoms when neutrons break apart protons
Mass being converted to energy when protons and neutrons bind together in a nucleus

ANSWER DOWNLOAD EXAMIANS APP