posted by Angie .
Which fact provides the best evidence for the scientific theory of the evolutionary development of life on the earth?
a. fossils are found almost exclusively in sedimentary rocks
b. characterisitcs of simpler forms of life can be found in more complex forms of life
c. only a small percentage of living things have been preserved as fossils
d. most species of life on the earth have become extinct
why is it a?
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the answer is a because fossils are only found in sedimentary rocks. In an ignous or metamorphic rock the fossil cannot be preserved because it would have melted because of the lava.