DIRECTIONS: Carefully observe pictures given below and answer the foll – McqOptions

MCQOPTIONS

1.	DIRECTIONS: Carefully observe pictures given below and answer the following questions. What could arrow 1 and 2 represent in the above diagram?
A.	Oxygen, nitrogen
B.	carbon dioxide, oxygen
C.	oxygen, carbon dioxide
D.	energy, water
Answer» D. energy, water

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