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.
No, the correct term would be melanin.
Melanin
When your pupils are exposed to light they contract. So they end up getting smaller.
When people hear anything about radiation, they become nervous. The think that any exposure to it will give them cancer. This is not the case. If you have radiation imaging done on your body, you are not at any risk. You do not have to worry about health concerns in the future. You need to be exposed to massive amounts of radiation for extended periods of time in order for there to be any problems.
By exposed it to vertical rays of the sun from the spring equinox to the automn equinox.
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.
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
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
Light
Antibodies.
atp
i think it is oxygen
In Epidemiology Absolute comparison indicates how much greater is the disease frequency in the exposed group , compared with non-exposed.
When rocks are larger, the surface area is more exposed making the rate of weathering greater.