The two main types of fiber are
a. cellulose and mannitose.
b. saccharrides and bran.
c. soluble and insoluble.
d. refined and unrefined.

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

What is the only part of your body called that should touch the ball when setting in volleyball?

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided