World Geography The oldest rock system of the world is: The Primitive Rock system The Zircons Rock system None of these The Archaean Rock system The Primitive Rock system The Zircons Rock system None of these The Archaean Rock system ANSWER DOWNLOAD EXAMIANS APP
World Geography In which Epoch did the Homo Sapiens evolve? Oligocene Pleistocene Eocene Miocene Oligocene Pleistocene Eocene Miocene ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The Homo sapiens evolved in the chibanian age of the Pleistocene epoch
World Geography The strongest bonds exist between the particles found within igneous rocks sedimentary rock metamorphic rocks all have similar strength of bonds igneous rocks sedimentary rock metamorphic rocks all have similar strength of bonds ANSWER DOWNLOAD EXAMIANS APP
World Geography The snow line on the northern side of greater Himalayas range about 4,500 to 6,000 metres 3,500 to 6,000 metres 5,500 to 6,000 metres None of these 4,500 to 6,000 metres 3,500 to 6,000 metres 5,500 to 6,000 metres None of these ANSWER DOWNLOAD EXAMIANS APP
World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 20 KHz Above 2 KHz Below 20 KHz Above 200 KHz Above 20 KHz Above 2 KHz Below 20 KHz Above 200 KHz ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Ultrasound refers to a sound wave with a frequency greater than the upper limit of human hearing, which is generally over 20 kHz. In general, humans can hear sounds with a frequency between 20 Hz and 20 kHz.
World Geography The unit of the light year is used for measuring speed of rockets speed of ships speed of satellites distance between bodies in the universe speed of rockets speed of ships speed of satellites distance between bodies in the universe ANSWER DOWNLOAD EXAMIANS APP