Why did the timber industry do so well in the 1990s?

A lot of technology improved production. There were no laws restricting harvesting timber. The economy was good and housing was in high demand. The United States was the only country that exported timber.

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i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

are there any answer choices