If you put a lump of solid carbon dioxide (dry ice) in a paper cup or
on a paper plate on the kitchen counter, it gets smaller and smaller
and finally it just disappears, but you never see a puddle around it
like you would with regular ice!
Carbon dioxide has no liquid phase when the pressure on it is less than
about 5 times normal atmospheric pressure. So in the kind of pressure
that we like to live in, dry ice goes straight to gas when it melts. That kind
of behavior is called "sublimation", and we say that the dry ice "sublimes".
Every substance has some pressure limit like that. For water, it's 0.006 of
normal atmospheric pressure. At any pressure lower than that, liquid water
can't exist, and an ice cube sublimes ... it melts directly into water vapor
without a puddle.
Condensation because the water droplets are being formed by the water vapor in your breath against the cold window makinng condensation due to the drastic temperature difference between your breath and the window
Cells were taken while she was being treated for cancer many years ago and these cells have been cultured in the lab ever since.
Answer:
B. Guyot
Explanation:
What are guyots?
- Guyots are very similar to seamounts, but they have a flat surface on the top rather than a pointy one. The image shown on the question is a guyot, as it's a seamount with a flat top.
What are seamounts?
- Seamounts are basically underwater mountains on the ocean floor.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
It weakens the immune system making it unable to defend itself against viruses and it also attacks the immune system..
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