25. Which is not a form of chemical changer
2 answers:
Answer:
C. Digestion is the answer.
Agree with the above answer: C.
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A. immigration, how is this chemistry?
Answer :
The Noble gasses are Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), Radon (Rn). When air is cold, Oxygen liquefies first at . liquefies at . About 1% of the air is still gas composed of the noble gas Argon, Ar. One noble gas was discovered on the sun. It’s spectrum was identify first. This is Helium, He. One of noble gas is radioactive and seeps up your basement floors and walls. It is Radon, Rn. This noble gas is used in electronic flashes and other bright lights. It is Xenon, Xe. This noble gas is best known for its orange color in gas discharge tubes. It is used for signs that bear its name. It is Neon, Ne.
So what do you want me to do Explanation
Answer: Nuclear energy is by far the safest energy source in this comparison – it results in more than 442 times fewer deaths than the 'dirtiest' forms of coal; 330 times fewer than coal; 250 times less than oil; and 38 times fewer than gas.