Answer:
If other scientists had not shared their discoveries, science wouldn't be the way it is today. For example, gravity would still be a question of how it works and what it is if Newton hadn't shared it with the world. A scientist before Isaac Newton was Galileo one of his many inventions was a thermometer, if it weren't for him would we still be able to tell the temperature?
Explanation:
Answer:
I think it's C, but that's just my guess. I hope you'll pass, and good luck to you!
This is the correct answer as to to <span>what extent has the presence of a true coelom in animals changed over the course of evolution:
</span><span>the presence of absence of a true coelom appears to have changed mutliple times during the course of evolution</span>