Question

What made the family change over to thier fourth residence? What precaution did they take before building it?​

Answer 1

Explanation:

Robinson decides they need to find a more secure shelter. They decide to move to a cave. However, they soon become aware of poisonous air in the caves. They take the precaution of using burning hay to purify the air before they enter a cave.

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Answer 2

Answer:

Robinson decides they need to find a more secu re shelter.

They decide to move to a cave.

However, they soon become aware of poisonous air in the caves.

They take the precaution of using burning hay to purify the air before they enter a cave.