Greatest professional achievement essay ...

List one of your most significant professional or organizational accomplishments.

My Three Most Important Achievements customized essays.

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of my recent achievements in my professional career I ...

Your Most Significant Professional Achievement Essay …

Nitrogen and phosphorus are the most vital elements for life after carbon, hydrogen, and oxygen. In its pure state in nature, nitrogen, like hydrogen and oxygen, is a diatomic molecule. Hydrogen in nature is single-bonded to itself, oxygen is double-bonded, and nitrogen is triple-bonded. Because of that , nitrogen is quite unreactive and prefers to stay bonded to itself. In nature, nitrogen will not significantly react with other substances unless the temperature () is very high. Most nitrogen compounds in nature are created when the nitrogen and oxygen that comprise more than 99% of Earth’s atmosphere react under lightning’s influence to create nitric oxide, which then reacts with oxygen to form nitrogen dioxide, and atmospheric water combines with that to make nitrous and nitric acids, which then fall to Earth’s surface in precipitation. Certain kinds of bacteria “fix” the nitrogen from the acidic rain into biological systems. Also, some bacteria can fix nitrogen directly from atmospheric nitrogen, but it is an that uses the energy in eight ATP molecules to fix each atom of nitrogen. For the earliest life on Earth, nitrogen would have been essential, and , where .

When choosing what achievement to What is Your Greatest Accomplishments in the Teaching Profession?

Most certainly Aditya! This is the best kind of achievement! Express the over-achievement as a percentage as this can look more impressive. Can you say how you over-achieved it? What was the most significant thing you did that led to this result? Thanks for commenting

Hi pls help me describe a personal achievement that has have a significant impact on my life


Your Most Significant Professional Achievement Essay …

There is also evidence that life itself can contribute to mass extinctions. When the eventually , organisms that could not survive or thrive around oxygen (called ) . When anoxic conditions appeared, particularly when existed, the anaerobes could abound once again, and when thrived, usually arising from ocean sediments, they . Since the ocean floor had already become anoxic, the seafloor was already a dead zone, so little harm was done there. The hydrogen sulfide became lethal when it rose in the and killed off surface life and then wafted into the air and near shore. But the greatest harm to life may have been inflicted when hydrogen sulfide eventually , which could have been the final blow to an already stressed ecosphere. That may seem a fanciful scenario, but there is evidence for it. There is fossil evidence of during the Permian extinction, as well as photosynthesizing anaerobic bacteria ( and ), which could have only thrived in sulfide-rich anoxic surface waters. Peter Ward made this key evidence for his , and he has implicated hydrogen sulfide events in most major mass extinctions. An important aspect of Ward’s Medea hypothesis work is that about 1,000 PPM of carbon dioxide in the atmosphere, which might be reached in this century if we keep burning fossil fuels, may artificially induce Canfield Oceans and result in . Those are not wild-eyed doomsday speculations, but logical outcomes of current trends and , proposed by leading scientists. Hundreds of already exist on Earth, which are primarily manmade. Even if those events are “only” 10% likely to happen in the next century, that we are flirting with them at all should make us shudder, for a few reasons, one of which is the awesome damage that it would inflict on the biosphere, including humanity, and another is that it is entirely preventable with the use of technologies .

Emory MBA Essay On Most Significant Professional Achievement

During that “,” , , and the rise of grazing and predation had eonic significance. While many critical events in life’s history were unique, one that is not is multicellularity, , and some prokaryotes have multicellular structures, some even with specialized organisms forming colonies. There are , but the primary advantage was size, which would become important in the coming eon of complex life. The rise of complex life might have happened faster than the billion years or so after the basic foundation was set (the complex cell, oxygenic photosynthesis), but geophysical and geochemical processes had their impacts. Perhaps most importantly, the oceans probably did not get oxygenated until just before complex life appeared, as they were sulfidic from 1.8 bya to 700 mya. Atmospheric oxygen is currently thought to have remained at only a few percent at most until about 850 mya, although there are recent arguments that it remained low until only about 420 mya, when large animals began to appear and animals began to colonize land. Just as the atmospheric oxygen content began to rise, then came the biggest ice age in Earth’s history, which probably played a major role in the rise of complex life.