<span>All things that are found within the Earth are one way or another, composed of carbon. Carbon is very abundant within metals that are dug from the Earth and they can also be seen making up parts of the human body’s bones to make it light weight. Most scientists believe that throughout the evolution of Earth, carbon has always been present and makes up most of the materials that have existed before. </span>
Answer:
Explanation:
This might help-?;
Electron Transport System and Oxidative Phosphorylation: ATP is generated when electrons are transferred from the energy-rich molecules like NADH and FADH 2, produced in glycolysis, citric acid cycle and fatty acid oxidation to molecular O 2 by a series of electron carriers. O 2 is reduced to H 2 O
Answer:
Permanent slides ensures preservation of the body parts of the tiny aquatic animals and also also aids good visualization.Most of the exoskeleton of these tiny animals are lost during temporary slides preparation, thus loss of visualization.
Because the animals are transfixed to a point, their body parts can not be moved.
It also saves time, energy and resources spent during observation.
However,because of dehydration during preparation their natural color may be lost which may affect observation of natural features
Explanation:
Answer: D. Acid from abandoned mines
Explanation:
Point source pollution can be define as the pollution that can be caused by a pollutant whose source of origin is known. As the source of origin is known the path of the pollutant can be traced back to it's origin hence, the pollution can be controlled.
Among the options given, D. Acid from abandoned mines. is the correct option this is because of the fact that the source of origin of the pollutant is known that is abandoned mines.
I think it B. but I don't know if its correct or not.
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I see you got this from k12 too.