World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 20 KHz Above 200 KHz Above 2 KHz Below 20 KHz Above 20 KHz Above 200 KHz Above 2 KHz Below 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 snow line of the Rocky Mountains of the USA is about 6 km above sea level 3 km above sea level None of these it is at the sea level 6 km above sea level 3 km above sea level None of these it is at the sea level ANSWER DOWNLOAD EXAMIANS APP
World Geography The R-horizon of soil horizon consists of unweathered bedrock None of these plant litter at various levels of decomposition weathered parent material unweathered bedrock None of these plant litter at various levels of decomposition weathered parent material ANSWER DOWNLOAD EXAMIANS APP
World Geography The longest day (shortest night) in the southern hemisphere is 44033 44003 44157 44187 44033 44003 44157 44187 ANSWER DOWNLOAD EXAMIANS APP
World Geography Cocos plate lies between: None of these Central America and Pacific Plate. South America and Pacific Plate. North America and Pacific Plate. None of these Central America and Pacific Plate. South America and Pacific Plate. North America and Pacific Plate. ANSWER DOWNLOAD EXAMIANS APP
World Geography The gulf that separates Finland and Sweden in Europe is the Gulf of Genoa the Gulf of Bothnia the Gulf of Venice the Gulf of Lions the Gulf of Genoa the Gulf of Bothnia the Gulf of Venice the Gulf of Lions ANSWER DOWNLOAD EXAMIANS APP
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