Which partly explains why the domestication of animals tended to increase the human food supply?
question 9 options:

domesticated animals provided food and labor for cultivation.

domesticated animals were playful companions.

the fur, skin, and feathers of domesticated animals could be used for trade.

domesticated animals had to be fed as well.

Domesticated animals provided food and labor for cultivation and The fur, skin, and feathers of domesticated animals could be used for trade.

Explanation:

These animals helped people work before machines were around

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i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.