Ultrasound waves do not transmit easily through bone. State what you think happens to ultrasound waves when they reach a bone in the body. Give evidence to support your claim and explain your answer. ​

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Explanation:

Echo is the reflection of sound waves. Recall that ultrasound are also sound waves of high frequency.

When ultra sound meets an obstacle such as a bone, it is reflected backwards and gives rise to an echo back in the transducer.

Since ultrasound is high frequency sound wave wave; It does not passes through bone due to the high density of the bone, the data required may now be collected.

it should be all of them because it asks if you included all of those in your answer

explanation:

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.