Answer:
A poster about toxic waste can utilize images and text to highlight the dangers and negative impacts on the environment and human health. The poster may feature information about toxic waste sources, such as industrial and household chemicals, as well as contamination of soil, water, and air. Additionally, it can offer tips for proper disposal and reducing exposure. Bold colors and fonts can be employed to capture attention and convey urgency. Moreover, utilizing infographics or statistics to demonstrate the effects of toxic waste on the environment and human health could be considered.