Ques:Q: Molecular geometry is the three-dimensional arrangement of atoms in a what? Choices: - genes - DNA - nucleus - molecule A:

Ans:molecule
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Ques:Q: What type of plant tissue transports water and dissolved mineral upward to the leaves? Choices: - collagen - ectoderm - phloem - xylem A:

Ans:xylem
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Ques:Q: What is the largest of the sinuses? Choices: - Maxillary sinus - Sphenoid sinus - Frontal sinus - superior sagittal sinus A:

Ans:superior sagittal sinus
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Ques:Q: What in hemoglobin gives red blood cells their red color? Choices: - calcium - lead - barium - iron A:

Ans:
iron
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