You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

[Q]: Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
(A) by producing crops that are virus resistant (B) by making robots to replace large farm machines (C) by reducing the need for countries to import food (D) by increasing the use of wind farms that produce electricity
[A]: C

[Q]: One method of heat distribution is a baseboard forced hot water system. A baseboard system carries hot water through a pipe that passes through many small, flat plates called fins. What is the purpose of these fins?
(A) to dissipate the heat of the hot water flowing through the pipe (B) to prevent the baseboard from coming in contact with hot surfaces (C) to replace the heated air leaving the system with cold air (D) to prevent dust and other particles from entering the baseboard
[A]: A

[Q]: Many cities encourage people to recycle. The items that can be recycled are placed in a special container and picked up each week from people's homes. How does recycling most likely help the environment?
(A) Recycling reduces littering. (B) Recycling makes products last longer. (C) Recycling puts less trash in the city landfill. (D) Recycling increases the amount of dust in the air.
[A]:
C