1. traditional gas-powered cars are harmful to the environment. (1 point)

s-v-o

s-v-io

s-v-n

s-v-a

2. hybrids produce less pollution than conventional cars. (1 point)

s-v-o

s-v-io

s-v-n

s-v-a

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.

American history (is, are) studying the american colonies.

Iwill have sailed around the world by the end of next year. what is the verb form in the sentence? future perfect past emphatic present progressive past perfect