Carotene is an orange or red plant pigment found in carrots and many other plant structures. It is a terpenoid hydrocarbon. You are thinking of melanin which reacts with sun to darken our skin, not carotene.
Greater amounts of the skin pigmentation, carotene are produced when the skin is exposed to the sun. Carotene is obtained from a persons diet, for example, carrots are a good source of carotene.
No, the correct term would be melanin.
Melanin is produced in greater amounts when the skin is exposed to the sun. People of African and tropical decent have more melanin in their skin then those as European decent.
Melanin
Carotene is an orange or red plant pigment found in carrots and many other plant structures. It is a terpenoid hydrocarbon. You are thinking of melanin which reacts with sun to darken our skin, not carotene.
Melanin
Melanin and carotene are skin pigments that help block damaging rays from the sun. The more of these pigments in the skin the greater the protection.
greater
In Epidemiology Absolute comparison indicates how much greater is the disease frequency in the exposed group , compared with non-exposed.
noobs
heated
When rocks are larger, the surface area is more exposed making the rate of weathering greater.