Question

Exercises
1. Fill in the blanks and explain.
a. Sound does not travel through
b The velocity of sound in steel is
than the velocity of
sand in water.
c. The incidence of ......... in daily life
shows that the velocity of sound is
less than the velocity of light.
d. To discover a sunken ship or objects
deep inside the sea,
technology is used.​

Answer 1

1. medium
2. High
3. Steel
4. Radiology

BTS AND EXO

Answer 2

Answer:

medium

high

steel

radiology

Explanation:

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