Detailed Instructions: You are given a science question (hard-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.
Problem:Researchers at a science laboratory have found ways to make carbon nanotubes from recycled plastic grocery bags. These nanotubes are then used as components of batteries. This approach best illustrates the ability of technology to
(A) increase resource availability. (B) improve existing products. (C) deplete available resources. (D) cause environmental degradation.
Solution:
A