Stem cell research has and can lead to medical cures.
Answer: "<span>cartilage</span>" .
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<u>Answer:</u>
<em>Scientists are constantly learning more about fossils to understand the evolution of earth and other living species.</em>
<u>Explanation:</u>
It helps to study the structure of the organisms that are already extinct. Fossils are the conserved remains or traces of animals, plants, and other organisms that exist no more.
Fossils are the significant proof for evolution as it demonstrate that organism on earth was unique from the organism found on earth today. It is also used to study the tectonic history.
Answer:
1. Ask him If he is a blood related twin.
2. Ask him where his twin was this whole time
3. Tell him he should ask himself if he done anything good to help the twin yet
Explanation: