Birds spend a lot of time grooming. they preen. small bugs can live on birds. preening gets them off. it also removes dirt. many birds also oil their feathers. the birds create the oil. it is made in a special gland. they get the oil on their beaks. then, they coat their feathers with their beaks. using oil is common in water birds. the oil protects feathers. it prevents dirt from building up. it also keeps out moisture

preening make birds

Read the sample student claim and the reasons listed for making this claim. claim: although many people argue that medical testing on animals is a violation of animal rights, the benefits it yields for society far outweigh any argument that can be made. reason #1: animal research has yielded both pain-relieving and life-saving drugs for humans. reason #2: laws prohibit scientists from using animal-based research in cases where non-animal testing would produce equally clear and valid results.

How does the dialogue between henry and his friends? “californians tale”

Which is the most effective paraphrase of the passage "six benches were left empty in every ship that evening when we pulled away from death. and this new grief we bore with us to sea: our precious lives we had, but not our friends" - the odyssey