World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Below 20 KHz Above 20 KHz Above 2 KHz Above 200 KHz Below 20 KHz Above 20 KHz Above 2 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 process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called saltation traction suspension solution saltation traction suspension solution ANSWER DOWNLOAD EXAMIANS APP
World Geography The most explosive type of volcano is shield volcanoes basalt plateau the caldera a cinder cone shield volcanoes basalt plateau the caldera a cinder cone ANSWER DOWNLOAD EXAMIANS APP
World Geography The important mountains of Europe include Andes, Alps, Pyrenees None of these Alps, Himalayas, Rock mountains Alps, Carpathians, Pyrenees, Apennines Andes, Alps, Pyrenees None of these Alps, Himalayas, Rock mountains Alps, Carpathians, Pyrenees, Apennines ANSWER DOWNLOAD EXAMIANS APP
World Geography The rate of infiltration normally declines rapidly during the early part of rainstorm event and reaches a constant value after several hours of rainfall. The factors responsible for this phenomenon are I. the filling of fine soil pores with water, which reduces capillary forces II. moistened soil, clay particles to swell and reduce the size of pores III. raindrop impact breaking up with soil clumps, splashing fine particles into pores I, III All of these II, III I, II I, III All of these II, III I, II ANSWER DOWNLOAD EXAMIANS APP
World Geography Which country is known as the "Sugar Bowl" of the world? India China Cuba Australia India China Cuba Australia ANSWER DOWNLOAD EXAMIANS APP
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