Answer: The Precambrian Era comprises all of geologic time prior to 600 million years ago.
Explanation: The Precambrian was originally defined as the era that existed before the emergence of life in the Cambrian Period. It is known that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time.
<span>In 1790, which city was more densely populated—Denver or Savannah. The correct answer is letter B. Savannah. The population of Denver is very high compared to Savannah. </span><span>Savannah is 196% less densely populated than Denver. Based on the percentage, the difference is very high. </span>
Be more specific, in order to answer this question.
Rocks and minerals showed evidence of <u>oxidation</u> causes by the presence of oxygen in the air. In the second example, <u>organisms</u> actually created new rock after being dissolved in water or buried underground.
<h3>What is oxidation and fossilization?</h3>
Oxidation is the chemical reaction which usually takes place when a substance comes into contact with oxygen or another oxidizing substance.
Fossilization refers to the process of preserving the plant and animals remains in sedimentary rocks.
Oxidation also includes the other reactions as well in which electrons are lost.
Learn more about the oxidation and fossilization here:-
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