Ques:Q: What is the name of the temporary organ that begins to form from the trophoblast layer of cells shortly after implantation? Choices: - uterus - embryo - appendix - placenta A:

Ans:placenta
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Ques:Q: What are the two most common silicates? Choices: - Analcime and Feldspar - Petalite and Quartz - Petalite and Analcime - feldspar and quartz A:

Ans:feldspar and quartz
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Ques:Q: Which nervous system consists of all the nervous tissue that lies outside the central nervous system? Choices: - auxiliary nervous system - significant nervous system - function nervous system - peripheral nervous system A:

Ans:peripheral nervous system
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Ques:Q: Solvation involves surrounding ions with what? Choices: - proteins - molecules - passive particles - solvent particles A:

Ans:
solvent particles
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