The result of the following cross indicates the orange eyes are black eyes. Two aliens of the P generation are crossed. Both of them have black eyes. The F1 generation obtained consisted of 333 individuals, 247 of them were black-eyed and 86 were orange-eyed.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

not too sure but maybe in the hot springs.