Because there is too many sub catigories
over 7 million.
4 or 5
There are many different species, to many to name. The main catigories are mammals, reptiles, birds, cartalagouness fish, boney fish, and insects.
metals, metalloids, and nonmetals.
metals, metalloids, and nonmetals.
because the inventor of answers.com thought of that name and it has answers.com because you can answer questions....
because anyone can put answers on the website.
water waves, light waves, and sound waves
Maybe because there are too many questions and answers and they have to upgrade their website
over 1 million people.
no.