Question

Vhich of the following would make a floating object likely to sink?
a) A block of iron is formed into hollow shape b) A submarine fills its ballast tanks with air
-) A submarine fills its ballast tanks with water d) A fish inflates its swim bladder with gas or air​

Answer 1

Answer:

b is the correct answer

Explanation:

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Answer 2

Answer:

c) A submarine fills with ballast tanks with water.

A submarine uses ballast tanks filled with compressed air and when needed the air is released and takes on water which increases the density making it sink but when the water is pushed out the sub’s density is decreased making it float.

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