Question: Q: The attraction of an atom for the electrons of a covalent bond is its what? Choices: - brightness - weight - hardness - electronegativity A:
Answer: electronegativity

Question: Q: The rate of flow of charge in an electrical circuit is known as what? Choices: - output - voltage - velocity - current A:
Answer: current

Question: Q: Comparisons of amino acid sequences can shed light on the evolutionary divergence of what? Choices: - mammals - dinosaurs - birds - related species A:
Answer:
related species