Why does natural gas need to be processed before it can be used as a fuel?

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

Which level of taxonomy has the fewest organisms?