Answer: I think the answer would be cell.
Pre-Cambrian Era. Earth formed and became a planet 600-3,300 million years ago.
Paleozoic Era. Ancient life. Volcanoes and mount formed.
Mesozoic Era. Middle life (Industrial Ages, Evolution of human technology)
Cenozoic Era. Present life
Answer:
The youngest rock layer is always those on the top
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Explanation:
Breccia and conglomerate are similar sedimentary rocks composed by fragments larger than two millimeters in size.
Dolostone is a carbonate sedimentary rock that contains dolomite and is related to limestone.
DOM is the abbreviation of the term Dispersed Organic Matter.
Since chemical spills are very harmful to aquatic/land life for both plants and animals, plants probably wouldn't grow back and animals could be mutated or even killed, decreasing the population of that species. A volcano eruption, can be both good and bad, since a volcano can kill animals and plants, but ash from a volcano is extremely fertile, so plants can regrow, which in turn brings animals back so they can feed on those plants.
running, jogging, walking.
cardiac means heart so what basically works out your heart. running, that's why you pant. Eventually you will see that your breathing has improved.