Chemical spills are types of pollution that is believed to
have the most impact in society. This event poisons the environment and kills
organisms instantaneously or sometimes at a slow rate in a given
geographic location on Earth. Irresponsible human activity is the cause of these spills and laws have already
been passed for its proper regulation.
1. Vocational
2. physical
3. Social
A printable Snellen Chart, which you can download online.
Something to cover one eye at a time, like an eye patch or a paper cup.
Scissors.
Tape or tack to hang the chart on your wall.
Pencil or pen to record your results.
