Physics
Woollen cloth protects the body from cold because

It is a good conductor of heat
External heat rays enter into the body through the woollen cloth
It reflects heat
It is a poor conductor of heat

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

ANSWER DOWNLOAD EXAMIANS APP