Type your answer here... False
The browning of paper in old books is caused by the oxidation of the lignin and other components in the paper. Exposure to air and light speeds up this process, leading to the characteristic yellowing or browning seen in aged paper. Environmental factors such as humidity levels can also contribute to the degradation of the paper over time.
homeostatic imbalances is caused by skin exposure to chemicals
Scurvy is caused by lack of vegetables.
The exposure is controlled by the camera's light meter
Chilblains
The symptoms caused by exposure to a hazardous material vary greatly depending on:what the hazardous material iswhat kind of exposure is involved (inhalation, skin contact, etc.)how intense the exposure ishow long the exposure isIt is not possible to say more unless a particular material and type and duration of exposure is specified.
it is
Browning of the apples is caused by the oxidation of the enzyme phenol oxidase:phenol oxidase + oxygen---------------melanins
oxidation
Tarnish is oxidation caused by exposure to air.
UV ray's from the sun
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