[ General Knowledge ]

What is a food chain?

A. Not environmental thing
B. Humans eating animals
C. Animals eating humans and humans eating animals
D. The eating relationships between species within and ecosystem
E. ALL OF THE ABOVE

Select your answer:
     


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Next quiz: Grammar

John___________ in the library this morning.

A. Is study
B. Studying
C. Is studying
D. Are studying


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