I think it will be RNA for both questions
Answer:
The types of DNA and the bones structure
Explanation:
bc many of these animals had descends of other animals and we can see it by the bone structure that they are almost the same
Carbon levels will go up because trees store carbon
Answer:
Most of the heavy metals on earth came from outer space from supernovas
This occurs when stars die
Explanation:
Visit Ted-Ed on You Tube
Type in the origins of gold and take notes
Happy to help
Anything below 165 degrees I believe. (At least that's what it is for a chicken breast which I would think would be the same thing. Let me know if not.) :)
