False. Strontium 90 has a half life of only 30 years, and as millions of years pass, about the time fossils have been around, most if not all of any strontium would have decayed.
They are protista and eukaryiotc
Books of people and what to say toy them
Answer: Im pretty sure it's the orbicularis oris muscle.
Which of the following adaptations to life on land is found in both insects and modern reptiles?
I'm not 100% sure, but I think the correct choice is tracheae to distribute oxygen (B).
Hope this helped :)