World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 2 KHz Below 20 KHz Above 20 KHz Above 200 KHz Above 2 KHz Below 20 KHz Above 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 modern theory of plate tectonics states the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid the creation of oceanic crust and the drifting of continents All of these that the oceanic crust is destroyed at areas where this crust type becomes subducted under the light the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid the creation of oceanic crust and the drifting of continents All of these that the oceanic crust is destroyed at areas where this crust type becomes subducted under the light ANSWER DOWNLOAD EXAMIANS APP
World Geography The pyramidal peaks that form when several cirques chisel a mountain form three more sides are called horns aretes cirques medial moraines horns aretes cirques medial moraines ANSWER DOWNLOAD EXAMIANS APP
World Geography The most recent and logical concept regarding the origin of ocean basins and continents is that of continental data cooling process plate tectesic conventional current continental data cooling process plate tectesic conventional current ANSWER DOWNLOAD EXAMIANS APP
World Geography The humidity of the air depends upon temperature All of these weather location temperature All of these weather location ANSWER DOWNLOAD EXAMIANS APP
World Geography The south temperature zone is a region lying between the Tropic of Cancer and the tropic of Capricorn the Tropic of Capricorn and the Antarctic circle the Antarctic circle and the South pole the Tropic of Capricorn and the equator the Tropic of Cancer and the tropic of Capricorn the Tropic of Capricorn and the Antarctic circle the Antarctic circle and the South pole the Tropic of Capricorn and the equator ANSWER DOWNLOAD EXAMIANS APP