Which two words or phrases best help clarify the meaning of the word shoals

Type the correct answer in the box. spell all words correctly. certain species of insects introduced accidentally in a forest are destroying all the douglas fir trees in that forest. the wood of these trees is extensively used for construction. in order to control the damage caused by these insects, the forestry department decided to introduce the moth caterpillar in the forest. these caterpillars are natural predators of the insects. which method did the forestry department implement to control the invasive species? the forestry department implemented a(n) control method.

Thomas carefully ran on the dry, hard ground barefoot and then jumped quickly into the cold pool?

What reasons does the author give to support the claim that it is difficult for a message to move people to take action?