A system made of bundles of long fibers
I think they contain covalent bonds, between the carbon atoms and also between the carbon atoms and hydrogen atoms. Polymers consist of chain-like molecules that are in turn, made up of numerous smaller, repeating units called monomers.
Answer:
Animals get rid of nitrogen by converting it int urea uric, acid and ammonia.
Explanation:
The Farallon plate was forced under north America by slow geological movement, this process is called subduction.
The correct answer is D. Hope this helps :)
