What according to your opinion would be the consequences if all yhe blood vessels were of the same size

It depends how big they are.

Explanation:

If they were all the same size the vessels in the legs, then blood pressure wouldn't be high enough for vital organs like the heart.

If they were all the size of the vessels the heart, then it'd be very easy to lose large amounts of blood when cut.

There are probably more complications that I haven't considered, but you get the gist.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

actually the answer is c