1.) <span>Abelhas, ir, flor, flor, obter, néctar
</span>2.)
<span>Um certo tipo de bactérias vive no intestino humano
</span><span>Desculpe, as palavras podem ser estranhas. Eu usei o Google Tradutor:)</span>
In my opinion, <u>natural gas</u> is a source that will be most common in the future. Considering that natural gas is a fossil fuel that is used as a source of energy for heating, cooking, and electricity generation. It is also used in stoves, ovens, clothes dryers, lighting fixtures and other appliances that are used and needed in everyday life. Imagine a life without natural gas. We wouldn't be able to heat our homes, cook our food, etc.
Answer: they have to maintain homeostasis, so they remove waste to do so..
