Flatworm get most of their oxygen through diffusion.
Answer: cartilage
Explanation: because it is not hard or soft but it still is bone and that is what your ears and nose is made of
In an evolutionary sense, birds are a living group of dinosaurs because they descended from the common ancestor of all dinosaurs. Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive.
Answer:
It will slow the degradation of the ozone layer. Please tell me if this is correct. Thanks!
