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Biology, 22.06.2019 11:00
2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.
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Biology, 22.06.2019 16:00
Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.
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The element with atomic number of 4 is...
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