I think the correct answer from the choices listed above is the third option. The DNA is used as a molecular clock in the sense that the <span>percent of carbon in DNA is compared between parent and offspring. Hope this answers the question. Have a nice day.</span>
Answer:
I think B)
Explanation:
What your asking isn't that clear but if you said 'producers' is a kind of plant that creates their own food and the process is called photosynthesis.
But at the same time your question says "this plant take in oxygen and release carbon dioxide during just like animals and other living things" Im not sure that plants are the ones to take in oxygen and release carbon dioxide so....
I'm sorry if this didn't answer your question.
I would say A but i would get a second opinion
The adult human brain weighs about 3 pounds (1,300-1,400 g)
