hard
how long ago was early Jurassic?
around 200 million years ago
how long of a wingspan can a pterosaurs get?
dinos are caring parents, true or false.
true
how was the moon created?
the moon was created when a planet-sized object hit the earth and all the rubble formed the moon.
how much did the stegosaurus weigh?
about 3.5 tons.
antarctic has always been cold, true or false.
false
how many layers does the earth have?
earth has 4 layers.
did dinos have eggs?
yes.
what were the sea life at the top of the food chain
plesiosaurs
how old is earth?
4.5 billion years old.
how long can the liopleurodon grow
up to 45 feet long
true or false was there life on earth 150 million years ago
true
how long ago was the late Jurassic?
around 150 million years ago
how old is the universe?
13.8 billion years old
was the moon once part of the earth?
yes