Your neighbor reads a newspaper article about fossils of tropical plants being found in a very cold, southern area of the world. “how can that be? ” he asks you. you tell him that a. it must be an april fool’s article. b. the fossil must have been moved to that area after forming. c. the continents may once have been in very different places than they are now. d. the plants probably fell in the ocean and were carried to a cold area.

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

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