Question

Why is Mr.dog sad?
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Answer 1

Explanation:

When your dog is sad, they're likely responding to a change in their routine or environment. Dog sadness can also be caused by a negative experience that caused sadness-adjacent emotions like anxiety or shyness.

Answer 2

Answer:

Iron and Steel Industry is often called the backbone of the modern industry. Almost everything we use is either made of iron or steel or has been made with the tools and machinery of these metals. Ships, trains, trucks, and autos are made largely of steel.