____ are dome-shaped structures composed of

layers of early cells and sediments.



a. Meteorites
b. Pumice stones
c. Stromatolites
d. Rhyolites
e. Ignimbrites


C

Biology & Microbiology

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The lining of the gut and the stomach, liver, and

pancreas are produced by a. the ectoderm. b. the endoderm. c. the mesoderm. d. two of the germ layers. e. all of the germ layers.

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What are peripheral membrane proteins?

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This type of rock is formed by the depositing of eroded particles in layers on the bottom of oceans, lakes or rivers. 

A. sedimentary B. igneous C. metamorphic D. volcanic  

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