I am pretty sure that the answer is B.
Id hav to go with A,reason i say that is, synthetic is man made..so it could b altered at anytime
I'm going to guess on your unmentioned following and say that it is not derived from beans, eggs, milk, and so on because a lipid is an oily, greasy and waxy molecule found inside of a body. Lipids can normal be extracted from cells using non-polar solvents such as chloroform or benzene. Hope this helped!
Glass that has been spun into fine filaments and is used for insulation is known as the fiberglass. It is a common type of fiber-reinforced plastic using glass fiber. These fibers nay be randomly arranged, flattened into a sheet or woven into a fabric. They are strong and lightweight reinforcement used in composites and is the best all-purpose choice among reinforcements for creating composite parts with excellent strength, low weight, and dimensional stability.
A.true
It's because all arteries carry oxygenated blood from heart to the tissue,except for arteries pulmonary which carry deoxygenated
Blood.
All veins carry deoxygenated blood from the tissues to the heart except for pulmonary veins which carry oxygenated blood to the heart.