After reading a book about parrots, Tani wants to learn more about them. Which question could be answered through scientific investigation? Which bird’s eggs taste the best?
What substances make up an eggshell?
Which birds have the most beautiful feathers?
Which type of bird makes the best pet in an apartment?

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

How was the u.s. economy different from european economies following world war 1?

What was one of the primary wsu’s islam’s golden age impacted the european renaissance