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Correct Answer: C) The birds are tiny.
Correct Answer: C) Inferring.
Correct Answer: B) Concentration of the reactants are increased.
Correct Answer: C) 40$^ \circ$ C.
Correct Answer: B) Controlled experiment.
Correct Answer: A) Conclusion.
Correct Answer: D) Claim.
Correct Answer: B) Pond.
Correct Answer: A) The scientist should form a hypothesis and design an experiment.
Correct Answer: D) Controlled experiment.
Correct Answer: D) Bacteria Growth.
Correct Answer: A) Hypothesis.
Correct Answer: C) Plant growth.
Correct Answer: A) Experiment.
Correct Answer: B) Evidence and opinion.
Correct Answer: B) Increases.
Correct Answer: A) Constant.
Correct Answer: B) Make observations about the natural world.
Correct Answer: A) Test scores.
Correct Answer: C) Responding variable.
Correct Answer: D) Inquiry.
Correct Answer: B) Hypothesis.
Correct Answer: A) Data.
Correct Answer: C) Evidence.
Correct Answer: C) Dependent variable.