In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

In the food chain process what has the role of producer? (A) eaters (B) flora (C) carnivore (D) consumers
B

Which of the following relationships is true? (A) Play-Doh can scratch diamond, therefore it is softer (B) Diamond can scratch Play-Doh, therefore Play-Doh is harder (C) Diamond can scratch Play-Doh, therefore diamond is harder (D) Play-Doh can scratch diamond, therefore it is harder
C

pushing an object requires (A) studying (B) dancing (C) singing (D) exherted effort
D