There must be a change in the chemical composition of the substance and the change is highly irreversible
A Barometer is used to collect air pressure data.
<span>Causes Of Melanoma. Ultraviolet rays Most skin cancers are caused by too much exposure to the sun's ultraviolet (UV) rays. The two types of UV rays that cause melanoma are UV-A and UV-B rays.</span>
3. Coconut juice was not an effective way to get rid of the green slime.
4. Homer's hypotheses is incorrect, because the green slime had no change in appearance after the coconut juice treatment.
