Answer:
crude oil (petroleum) is the only natural liquid fossil fuel
<span>Any type of pharmaceutical product or dietary supplement must be tested in clinical trials before they can be marketed in order to assess their safety for the general public's consumption and to confirm their intended purpose. While not a complete fail safe, these tests intend to prove a reasonable sense of safety for the product.</span>
Yeah no one is gonna read all if this lol
<span>They exhibit all the stages when its the presence of oxygen only.</span>
