Report Abuse. Another way to find the percentage is to use a proportion. 8/25 = X/100 All you have to do is solve for X. 800 = 25X 800 / 25 = 37. So, 37% of the people say they fear heights. (As the first person pointed out.).
Pigmentation. Heavy pigmentation is one predisposing factor for iris melanoma in cats. Melanocytes are concentrated in the back portion of the iris, behind the cells that give your kitty's eyes their normal color. Dark colored cats have larger numbers of melanocytes everywhere, including the iris.
The rays cause melanocytes to produce more melanin. However, if the skin is overexposed to UV radiation, the melanocytes may change or experience abnormal growth, which causes cancer [source: Melanoma ]. Melanoma is the most serious form of skin cancer, and it can spread quickly and appear anywhere on the body.V radiation can also cause cataracts and weaken the immune system [source: AAD: Exam ]. But UV radiation is probably most notorious for causing various forms of skin cancer.