What is the main idea of this selection?
A Scientists are using everyday items to lower costs for their research projects.
B Scientists are learning that ancient tools can still be useful to them today.
C Scientists are inventing or adapting tools that can give them new ways to solve problems.
D Scientists are finding that even toys can be adapted for use in research projects.
The correct answer is C Scientists are inventing or adapting tools that can give them new ways to solve problems.
Explanation: This option captures the essence of how scientists innovate by creating or modifying tools to tackle research challenges effectively. It implies a broader application of creativity and problem-solving, which is central to scientific progress. If you need more help, feel free to ask!