4 years ago

Knowing about what you eat is important. True False

Health

2 answers:

Lera25 [3.4K]4 years ago

8 0

Yes, I think Knowing what you eat is important if you want to eat it.

Andrews [41]4 years ago

3 0

Answer:

True

Explanation:

If you dont know than you might be eating poison lol idk its just common

sence.

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lord [1]

Answer:

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How are vegetables good for you

Ilia_Sergeevich [38]

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A 5 Mhz ultrasound beam in soft tissue reflects off an object 5 cm deep. The time required to receive the echo at the transducer

miss Akunina [59]

Answer:

The time required to receive the echo at the transducer is $t=3.34\times 10^{-10}\ s$

Explanation:

Frequency of ultrasonic beam, f = 5 MHz

It reflects off an object 5 cm deep.

We need to find the time required to receive the echo at the transducer. The ultrasonic wave is an electromagnetic wave. it moves with a speed of light. Let t is the time taken by the wave to go once.

So,

$t=\dfrac{d}{c}$