Physics
A system exhibiting S.H.M. must possess

Elasticity, inertia and an external force
Inertia only
Elasticity only
Elasticity as well as inertia

ANSWER DOWNLOAD EXAMIANS APP

Physics
Hydro-electric power is a:

Renewable natural resource
Neither renewable nor non renewable resource
A mixture of renewable and non-renewable natural resource
non-renewable natural resource

ANSWER DOWNLOAD EXAMIANS APP