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An atom that has four protons, four neutrons, and five electrons is
an isotope
a negative ion
a neutral atom
a positive ion
Answers: 1
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Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?
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Scientific evidence is most likely to be consistent if it is based on data from
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The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle
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Do plants make food in their stems flowers roots or leaves?
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An atom that has four protons, four neutrons, and five electrons is
an isotope
a negative ion...
a negative ion...
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