Which of the following is NOT a factor that

contributed to the production of coal from the
remains of Carboniferous vegetation?
a. heat
b. pressure
c. drying
d. decomposition
e. compaction


Answer: d

Biology & Microbiology

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The ability of some organisms to alter their membrane lipid composition in response to changes in temperature is known as ________

Fill in the blank with correct word.

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A mutation is a

A) dose of radiation. B) defective egg or sperm cell. C) physical deformity, such as the loss of a limb. D) change in the DNA sequence.

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The burning of sugars as fuels for runners is an example of a(n) ________ chemical reaction, whereas the production of sugars during photosynthesis is an example of a(n) ________ chemical reaction

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