The difference is the source of the material. Spoils come from overburden and is discarded as waste. Tailings come from left over dredging of stream beds that are discarded as as waste as well.
I think that all of the above are correct.
if you have to pick 1. i would suggest that you pick A.
dose this help?
Plants make their own energy so they are NOT heterotrophs. The answer is C.
All cells have a cell membrane. its basically what protects the cells from getting toxins that are sometimes entering your body. without a membrane on all cells, you would get sick a lot!!
A) Homozygous
An organism in which two copies of the gene are identical and are the same allele is called homozygous
