Carbon
in sentence
2411 examples of Carbon in a sentence
And then for fir, I injected the stable isotope carbon-13
carbon
dioxide gas.
I figured it would take this long for the trees to suck up the CO2 through photosynthesis, turn it into sugars, send it down into their roots, and maybe, I hypothesized, shuttle that
carbon
belowground to their neighbors.
And fir was saying, "Yeah, can you send me some of your
carbon?
It turns out at that time of the year, in the summer, that birch was sending more
carbon
to fir than fir was sending back to birch, especially when the fir was shaded.
And then in later experiments, we found the opposite, that fir was sending more
carbon
to birch than birch was sending to fir, and this was because the fir was still growing while the birch was leafless.
And where the fungal cells interact with the root cells, there's a trade of
carbon
for nutrients, and that fungus gets those nutrients by growing through the soil and coating every soil particle.
And using our isotope tracers, we have found that mother trees will send their excess
carbon
through the mycorrhizal network to the understory seedlings, and we've associated this with increased seedling survival by four times.
They send them more
carbon
below ground.
So we've used isotope tracing to trace
carbon
moving from an injured mother tree down her trunk into the mycorrhizal network and into her neighboring seedlings, not only
carbon
but also defense signals.
That's
carbon.
And carbon, if we're getting that into the soil, is going to bind to the other minerals and nutrients in there.
Chemical fertilizers by definition don't have
carbon
in them.
Remember that
carbon
in the poop?
If we can get that into our soil bank, it's going to start to absorb
carbon
dioxide that we put into the air.
In this concrete, even small cracks can channel water, oxygen, and
carbon
dioxide that corrode the steel and lead to disastrous collapse.
The resulting calcium hydroxide reacts with
carbon
dioxide in the air, starting a process called autogenous healing, where microscopic calcium carbonate crystals form and gradually fill the gap.
We exhale
carbon
dioxide, so does mycelium.
Oxalic acid is two
carbon
dioxide molecules joined together.
So, fungi and mycelium sequester
carbon
dioxide in the form of calcium oxalates.
And all sorts of other oxalates are also sequestering
carbon
dioxide through the minerals that are being formed and taken out of the rock matrix.
Too many withdrawals from the
carbon
bank, and so this population will be shut down.
So, we build the
carbon
banks on the planet, renew the soils.
And if that salmon's from Chile, and it's killed down there and then flown 5,000 miles, whatever, dumping how much
carbon
into the atmosphere?
We'll reduce not only calories, but our
carbon
footprint.
The final thing that you should notice is that each year, about 10 gigatons of
carbon
are getting added to the planet's atmosphere, and then diffusing into the ocean and into the land.
At the end of 30 years, we will have put 850 gigatons of
carbon
into the air, and that probably goes a long way towards locking in a 2-4 degree C increase in global mean surface temperatures, locking in ocean acidification and locking in sea level rise.
There were even groups trying to make an elevator to space using
carbon
nanotubes.
So our group's role and our group's mission is to innovate by employing
carbon
nanotubes, because we think that they can provide a path to continue this pace.
They're tiny, hollow tubes of
carbon
atoms, and their nanoscale size, that small size, gives rise to these just outstanding electronic properties.
That air that you just exhaled, you enriched a hundred times in
carbon
dioxide.
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