Which of the following statements correctly describes enzymes? (select all that apply.) they are used up during the reaction. they speed up chemical reactions. they become part of the product. they only react with a specific substrate.

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Which would be the most useful source of evidence to support mcneill's contention?

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?