No but they did in the beginning of the Cenozoic era and the end of the Mesozoic
bacteria
Specialised consumption. Unless trade (or barter) also exists. But specialisation does not, inevitably lead to trade.
Yes, ALL matter has atoms. If it exsits, it has atoms.
The Cenozoic era's surface was very bumpy and that when the Earth was flat. When the world started getting round Earths surface started getting flat, but that when there was a lot of earthquakes, which wiped out all the dinasours and made them exstinct.
YES, after eliminating the weight of any alien objects hitting earth from space it should weigh the same. It doesweigh the same; the earth's weight is zero. However, it is certainly more massive now than it was then. The above conclusion is problematic, because the 'alien' objects referred to are the very things that the earth is made of. Tons of material come down to earth each day.
When dinasours were alive
dinasours did exist , millions of years ago . They died because of meteroids
No.
Yes
What is the date of the dinasour
because of the volcanous
because of the volcanous
Dinasours
no but dinosaurs fart
no monsters do not exsit at all
Nothing it still exsits
No, because dinasours are extinct.