The correct option is A.
Resonance is the phenomenon by which a vibrating system or an external force drives another system to oscillate with greater frequencies at specific frequencies. These specific frequencies are called resonant frequencies. At resonance frequencies, small periodic driving forces have capacity to produce large amplitude oscillation.<span />
Any fossil fuel like tar, gas, etc
Precious metals and raw materials
Prime meridian
because it is the only longitude
After reaching North America, humans migrated to South America.
