Carbon
in sentence
2411 examples of Carbon in a sentence
In fact, its atmosphere is almost entirely
carbon
dioxide, and is almost 100 times thicker than our own.
Centuries of scientific thought and experimentation have established that the real elements, things like hydrogen, carbon, and iron, can be broken down into atoms.
In Leucippus's theory, the atom is the smallest, indivisible bit of stuff that's still recognizable as hydrogen, carbon, or iron.
They are tremendously fuel efficient to bring to market, a fraction of the fuel cost of say, shrimp, and at the very top of the
carbon
efficiency scale.
To bring a pound of mussels to market is about a thirtieth of the
carbon
as required to bring beef to market.
Another, more important difference is the type of bond between the
carbon
atoms.
Carbon
dioxide [levels] were very much lower than they are today.
The ocean stores huge amounts of carbon, about 60 times more than is in the atmosphere.
We think back in the glacial, from the analysis we've made in the corals, that the deep part of the Southern Ocean was very rich in carbon, and there was a low-density layer sitting on top.
That stops
carbon
dioxide coming out of the ocean.
That allows
carbon
to come out of the deep ocean.
And then if we analyze corals closer to the modern day, or indeed if we go down there today anyway and measure the chemistry of the corals, we see that we move to a position where
carbon
can exchange in and out.
Meanwhile, the human body consists of 65% oxygen, 18% carbon, 10% hydrogen, and 7% of various other elements including 0.002% of silicon.
You take in more
carbon
dioxide and experience a small blockage of your airway.
Hydrogen is hydrogen because it has just one proton,
carbon
is
carbon
because it has six, gold is gold because it has 79, and so on.
The sodium bicarbonate reacts with acids in the dough to create
carbon
dioxide gas, which makes airy pockets in your cookie.
No elements like carbon, oxygen or nitrogen existed.
Over its lifetime, the fusion reactions in the core of a massive star will produce not only helium, but also carbon, oxygen, nitrogen and all the other elements in the periodic table up to iron.
Second, all the elements that had been accumulating in the core of the star, like carbon, oxygen, nitrogen, iron, as well as all of those formed in the supernova explosion, are ejected in to interstellar space where they mix with the gas that's already there.
So, even though carbon, nitrogen, oxygen and so on made up only two percent of the gas cloud from which Earth was formed, these heavier elements form the bulk of our planet and everything on it.
Plants use the energy from sunlight to transform
carbon
dioxide and water from the environment into glucose and oxygen.
Well, both are carbohydrates with the same chemical composition of carbon, hydrogen, and oxygen.
You've probably heard that
carbon
dioxide is warming the Earth, but how does it work?
So, which photons does
carbon
dioxide prefer?
Carbon
dioxide doesn't absorb light directly from the Sun.
Just as oxygen gas prefers the dark red photons,
carbon
dioxide and other greenhouse gases match with infrared photons.
Shortly after a
carbon
dioxide molecule absorbs an infrared photon, it will fall back to its previous energy level, and spit a photon back out in a random direction.
The more
carbon
dioxide in the atmosphere, the more likely that infrared photons will land back on Earth and change our climate.
That creates a low-pressure zone that pulls dissolved gases out of the synovial fluid, just like the
carbon
dioxide that fizzes out of soda when you twist open the cap.
Over many millions of years, fusion transforms hydrogen into heavier elements: helium, carbon, and oxygen, burning subsequent elements faster and faster to reach iron and nickel.
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