Answer:
Every fossil tells us something about the age of the rock it's found in, and index fossils are the ones that tell us the most. Index fossils (also called key fossils or type fossils) are those that are used to define periods of geologic time
Explanation:
Carbon: <span>Living things </span>want<span> carbon </span>so as to measure<span>, grow, and reproduce. Carbon </span>could be a<span> finite resource that cycles through </span>the planet in<span> </span>several<span> forms. This makes carbon </span>obtainable<span> to living organisms and remains in balance with </span>different<span> chemical reactions </span>within the<span> atmosphere and in bodies of water like ponds and oceans.
</span>
Oxygen: Cellular respiration describes the part of the organic process once food breaks right down to offer cells with energy. Throughout internal respiration, cells use oxygen to interrupt down sugar to provide ATP or nucleotides.<span>
Hydrogen: </span>Hydrogen additionally plays a vital role in energy production within the body. For our bodies to operate, they have to have energy within the type of nucleotide (ATP). Your body gains energy by overwhelming foods wealthy in substances like carbohydrates.
<span>temperature, colour, turbidity, odor and taste, and solid content.</span>
Answer: Up
Explanation: when an electron goes up it produces more energy which makes light. :)