1. We are more aware of environmental issues today. The longer certain food sits out in the sun at a picnic, the more bacteria grows on it. It might still look good, but with higher temperatures the bacteria grows more quickly.
2. The more someone with a bad cold sneezes and touches things, the faster it will spread to another person.
1. When paper is left out in the elements (bad weather) it will deteriorate (decay) and dissolve until it is gone.
2. When a apple grows on it's tree, then falls and slowly rots away. Decay
