The sun emits what are called ultraviolet rays which can cause cancer if you get way to much of it. But it can also be a good thing because if you get very little ultraviolet rays, then it can cause your bones to get stronger or bigger
Because it can damage the pores in your skin leaving them open, this means bacteria and other harmful things can travel in easier into your blood stream and immune system.
The sunburn damages the internal Epidermis making your skin weaker and weaker, you may heal this and it will eventually wear off, it may also give you a red intact to your skin
Sunburn is actually a first'degree burn to the skin.
True. They do directly affect the Human Body.
no
As the mass of a human body increases, so does the g-force exhibited on the human body.
they dont
nails
Sexy
The different things that can affect how the human body growth is SLEEPING Because when your sleep is ENOUGH Your Body will grow. That's all THANK YOU :)
sunburn
Yes, Sunburn is in fact a chemical reaction. for more info visit this website http://www.sciam.com/article.cfm?id=what-happens-when-you-get
from the breakdown of starch
yes
Melanin :)