A sheet of paper or the surface of your skin.
Alpha radiation is stopped easily by thin substances such as a sheet of paper or the skin. It is because of this that alpha radiation is generally non-harmful to humans.
Alpha particles can pass through very few substances. It can travel in air but has a range of only a few centimetres.
The tissue underneath the skin is the adipose tissue, there to protect organs and insulate the body.
The sheet of tissue that underlies the skin is called the dermis. It contains important structures such as blood vessels, nerves, sweat glands, and hair follicles. The dermis provides support and nourishment to the skin.
Just plain acne forming on skin where your stomach area is. Sometimes has puss. and not a STD, just plain acne.
No. Skin-walkers are not real.
According to Calorie King, there are 54 calories in a 2.4 oz plain, baked in skin potato.
Skin is actually translucent, not opaque. So yes, a thin enough membrane of skin can pass light. The human hand is thin enough, if the flashlight is bright enough.
Ultraviolet (UV) radiation can pass through skin, but it is absorbed by bone and does not pass through it. UV radiation is responsible for tanning and sunburn when it penetrates the skin.
x-rays
A frog's skin is permeable, this means it lets water in and out. Frog skins also let oxygen pass in and carbon dioxide pass out.