The two membranes pull apart a little and create a small pocket or sack of air. As the developing bird grows, it breathes in oxygen from the air sack and exhales carbon dioxide. Several thousand microscopic pores all over the surface of the egg allow the CO2 to escape and fresh air to get in.
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Answer:
Melting mountain glaciers
Explanation:
This is the answer because some of our fresh water is in ice caps/glaciers so we will loose fresh water and we will not have fresh water to drink so the planet earth will not have water.
Answer:
From Red Giant to Supernova: The Evolutionary Path ofHigh Mass Stars. Oncestars that are 5 times or moremassive than our Sun reach the red giant phase, their core temperature increases as carbon atoms are formed from the fusion of helium atoms. ... When the core contains essentially just iron, fusion in the core ceases.
The properties of gamma which paved its way to the area of medicine are having high energy of all the waves in the spectrum. With this they can penetrate into almost all surfaces. One application would be its use in killing cancer cells and to examine the internals of the body.
Oxidation occurs at the anode.
For both electrochemical cells, this occurs where the cathode and anode is where half reaction occurs.
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