World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 20 KHz Above 200 KHz Below 20 KHz Above 2 KHz Above 20 KHz Above 200 KHz Below 20 KHz Above 2 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 spring season in the north temperate zone is when the sun is at the Tropic of Cancer the sun is directly overhead the Tropic of Cancer the sun returns to equator the sun is directly overhead the equator the sun is at the Tropic of Cancer the sun is directly overhead the Tropic of Cancer the sun returns to equator the sun is directly overhead the equator ANSWER DOWNLOAD EXAMIANS APP
World Geography The largest city in Latin America is Caracas Mexico city Buenos Aires Rio-de-Janeiro Caracas Mexico city Buenos Aires Rio-de-Janeiro ANSWER DOWNLOAD EXAMIANS APP
World Geography The polar Easterlies lie at 60-90o latitude 90o latitude 0-30o latitude 30-60o latitude 60-90o latitude 90o latitude 0-30o latitude 30-60o latitude ANSWER DOWNLOAD EXAMIANS APP
World Geography The length of the day is determined in length of the hours astronomical units solar terms None of these length of the hours astronomical units solar terms None of these ANSWER DOWNLOAD EXAMIANS APP
World Geography The longest river in the Common wealth of independent states is the Ob river Yenisei river Volga river Irtysh river Ob river Yenisei river Volga river Irtysh river ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS