A.) radiant Cause yk the sun!
Males have a bit of a concave plastron , and females have a flat plastron
the causes of most of them are unknown. Some birth defects are considered to be physical, while others are thought of as functional. Physical birth defects result in the malformation.
<span>For the most part, skin cancers are acquired through sun exposure so are more environmental rather than genetic. However, we do inherit our skin type from our parents so there is an indirect inherited predisposition to cancer. For example, a person whose skin is very white and fair is more likely to accumulate sun damage rather than a person whose skin is darker and has more inherent sun protection.</span>
