Which of the selections below is not a prepositional phrase? of our original order it is proof with fuel filters all of the above are prepositional phrases.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food