Ques:Q: When electrons are shared between two atoms, they make a bond called a what? Choices: - metallic bond - ionic bond - hydrogen bond - covalent bond A:

Ans:covalent bond
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Ques:Q: What process allows an individual to develop from a single cell into an organism with trillions of cells? Choices: - cell transition - Cell multiplication - cell function - cell division A:

Ans:cell division
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Ques:Q: What can radioactive strontium replace in the human body making it dangerous? Choices: - potassium - oxygen - magnesium - calcium A:

Ans:calcium
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Ques:Q: Scientists goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to what? Choices: - oil - gasoline - wind - electricity A:

Ans:
electricity
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