The CN tower is the tallest freestanding structure in the Western Hemisphere.
The answer is - it can not be taken out of the atmosphere.
The nitrogen, even though makes for about 78% of our atmosphere, and is by far the most abundant gas in it, we can not use it because it can not be taken out of the atmosphere as it is. If we take nitrogen in the form as it is in the atmosphere it is useless for both, humans and plants. It has to go through a process of ''fixation'' first before we can actually use it in our food.
The most accurate answer is:
<span>C.
a low life expectancy
This answer is correct because as you can see all of the other answers are high and this one is low </span>
5 percent is the correct answer
Answer:
o texto ja esta completo agora cade as paginas que estao pedindo e so ler elas para saber a resposta
