One of the challenging topics in Ms. Harrison's experiment was how the air:?

A. ?had weight.
B. ?took up space.
C. ?had volume.
D. ?had atoms.


Answer: A

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Which phase of the BSCS 5E instructional model challenges and extends the student's conceptual understanding and skills?

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What will be an ideal response?

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When one gene code (either dominant or recessive) determines the presence or absence of an anomaly, it said to be a ___________________

Fill in the blank(s) with correct word

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Which of the following is the best statement of a hypothesis of the relationship of a behavior to predictor variables in the environment?

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