Substance a has an associated increased health risk of 12% and the increased risk associated with substance b is 18%. when studied together, the increased risk associated with being exposed to both substance a in conjunction with substance b is 60%. is the health risk associated with this combination of substances synergistic?

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.

It's speed of rotation.