Provide the symbol, the group number, and the period of each of the following elements: nitrogen, sodium, jodine, an mercury

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.

If you decide to make the leap to horse ownership it truly is a life changing event. once you sign the dotted line on the bill of sale you will have full responsibility for care, custody, training and financing your new horse.  . and leasing is just for a period of time for a amount of )