Question 9 of 10 What are two ways in which ultrasound technology produces images?

A.
By using sound in frequencies that reflect off body tissues

B.
By measuring the time it takes for reflected sound waves to be detected

C.
By the absorption of sound waves in the body

D.
By detecting the frequencies of emitted sound waves

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.