Answer:
What are you asking?
I am sorry but I cannot awnser the question if everything is not presented to me.
Have a wonderful day!
IAMTHEGOAT
It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, here is the answer. Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates and the way that these two molecules differ from each other is that, t<span>estosterone and estradiol have different functional groups attached to the same carbon skeleton. Hope this helps.</span>
Answer: https://ecosystems.psu.edu/outreach/youth/sftrc/deer/wtd-lesson3
go into this link your answers is discover
Explanation:
To part A the answer is continental drift :D to Part B the answer is Mid-ocean ridges :D Hope I was helpful