I can (very) roughly estimate that there are millions of words on Earth. The English language alone has about half a million, and it has the greatest number of words; there are thousands of other languages, although most of these are spoken by very few people (there are also dead languages spoken by nobody).
1.4 millon plants exist on earth
1.4 million plants exist on earth
until earth exist
No, there is no limit to how many numbers exist. In other words, there are infinitely many.
92
321,212
1.4 million
There are 90 elements that exist naturally.
There are at least 4400worms on earth
MONKEYS!
If you mean how many years the earth can exist as we know it then we don't know. New inventions and stuff will change our lifestyle at any point from in the next week to the next century. If you mean how many years the earth will exist as far as we know then it will probably be a few more billion.
a lot.