World Geography The oldest rock system of the world is: The Zircons Rock system None of these The Primitive Rock system The Archaean Rock system The Zircons Rock system None of these The Primitive Rock system The Archaean Rock system ANSWER DOWNLOAD EXAMIANS APP
World Geography The northern hemisphere and the southern hemisphere are separated by the plane of Tropic of Capricorn the plane of Tropic of Cancer the International Date line the plane of the equator the plane of Tropic of Capricorn the plane of Tropic of Cancer the International Date line the plane of the equator ANSWER DOWNLOAD EXAMIANS APP
World Geography The greatest variety of animal and plant species is found in tundra regions tropical moist forests in hot deserts temperate grasslands tundra regions tropical moist forests in hot deserts temperate grasslands ANSWER DOWNLOAD EXAMIANS APP
World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 2 KHz Above 200 KHz Below 20 KHz Above 20 KHz Above 2 KHz Above 200 KHz Below 20 KHz Above 20 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 minimum values of annual receipts of solar radiation occur at the arctic the tropics None of these the equator the arctic the tropics None of these the equator ANSWER DOWNLOAD EXAMIANS APP
World Geography The steady or initial phase of the magnetic storms is None of these a sharp increase of the field preceded by storm sudden commencement magnetic storm at middle and low altitudes None of these a sharp increase of the field preceded by storm sudden commencement magnetic storm at middle and low altitudes ANSWER DOWNLOAD EXAMIANS APP
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