Ammonia is a fish matter transformation collateral product. They simply pee with ammonia because it is not toxic for them since ammonia will quickly dissolve in water.
The second thing i can think of is that ammonia is used by nitryfing bacteria. They use ammonia which is found in extrements of birds, water from rain to oxidase it to nitric acid, giving them energy.
The answer is C due to the rain making contact with the iron it creates moisture which cause the iron to begin oxidizing which causes the iron to rust which is a chemical reaction then the blade which was once malleable because it was heat becomes harden and rust is created as I said before the physical aspect of the iron chances due to rust developing on it it's no longer has the luster it once had
Answer:
Potassium-40 (40K) is a radioactive isotope of potassium which has a long half-life of 1.251×109 years. It makes up 0.012% (120 ppm) of the total amount of potassium found in nature.
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Potassium-40.
General
Natural abundance 0.0117(1)%
Half-life 1.251(3)×109 y
Parent isotopes Primordial
Decay products 40Ca (β−) 40Ar (EC, γ; β+)
Answer:
The rocket is now too heavy to reach its destination.