The answer to this question is the gas carbon monoxide. Carbon monoxide is a gas that has the features of being odorless, colorless, and being tasteless. Carbon monoxide is known for the chemical formula as CO. This gas is also used as a fuel because this gas is flammable.
Answer:
It is both a barrier keeping unwanted things out, and a gate for nutrients to be brought in.
They are nutritious and one of the smallest food supply, which starts the chain. It also is the end of the chain, wher it grows where life decomposes.
No se ha dado el problema que han dicho nada de la gente de la policía y que no han dicho nada de la gente de la cara de de que se ha dado un paso de recoger y que no pueda ver el partido del
6-C (breaks off)
7-C(they secrete acid that breaks away rocks)