The next morning, Anthony awoke to laughing and applauding, so he threw on some jeans and a T-shirt and hurried down the hallway, giving his father a quizzical look when he reached the kitchen doorway. What is the denotation of the word "quizzical"?

angry
difficult
confused
clever

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.