Final answer:
Pesticides should always be stored in their original containers to ensure safety and maintain the integrity of the product. This practice is crucial in preventing chemical reactions or leaks that could pose a hazard.
Step-by-step explanation:
The storage of pesticides is a critical issue in ensuring safety and maintaining the effectiveness of the products. The correct answer to the question about how pesticides should be stored is: a. All pesticides in the original containers. This is because the original containers are specifically designed to store the chemical safely and often include important information such as application instructions, safety precautions, and first aid measures.
It's imperative to avoid mixing different pesticides or transferring them to inappropriate containers, which could cause chemical reactions or leaks, potentially endangering people and the environment.