In Pavlov’s experiments, the dog’s salivation triggered by the sound of the tone was a(n: A: conditioned response.B: unconditioned stimulusC: unconditioned response.D: conditioned stimulus. The correct answer and explanation is : The correct answer is A: conditioned response. In Pavlov’s famous experiment, the dog was initially presented with food, which naturally triggered salivation. This reflex […]

In Pavlov’s experiments, the dog’s salivation triggered by the taste of food was a(n: A: conditioned response.B: unconditioned response.C: unconditioned stimulus.D: conditioned stimulus. The correct answer and explanation is : The correct answer is B: unconditioned response. In Pavlov’s classical conditioning experiments, the dog’s salivation triggered by the taste of food is an example of

Which of the following substances is a heterogeneous mixture? A) sodium B) baking soda C) dextrose (a sugar) dissolved in water D) salt and pepper in a glass The correct answer and explanation is : The correct answer is D) salt and pepper in a glass. Explanation: A heterogeneous mixture is a type of mixture

Which statement is false? A) Different mixtures of the same two substances must have the same composition. B) A mixture of sea sand and table salt is an example of a heterogeneous mixture. C) An example of a homogeneous mixture is one prepared by mixing drinking alcohol and water. D) A compound is a substance

Which of the following is an example of a heterogeneous mixture? A) sugar water B) oil and vinegar C) air D) vodka The correct answer and explanation is : The correct answer is B) oil and vinegar. Explanation: A heterogeneous mixture is a mixture in which the components are not uniformly distributed, and different parts

Which is an example of a homogeneous mixture? A) chocolate chip cookie B) a rock collection C) sugar water D) oil & vinegar salad dressing The correct answer and explanation is : The correct answer is C) sugar water. Explanation: A homogeneous mixture is a mixture in which the components are evenly distributed throughout the

The description “three substances present, two phases present” is correct for __. A) heterogeneous mixtures B) homogeneous mixtures C) elements D) compounds The correct answer and explanation is : The correct answer is A) heterogeneous mixtures. Explanation: A mixture consists of two or more substances that are physically combined but not chemically bonded. There are

Which of the following can be classified as a mixture and not as a pure substance? I. oxygen II. antifreeze III. distilled water IV. human blood V. brass alloy A) II and V B) II and III C) I only D) II, IV, and V The correct answer and explanation is : The correct answer

How do oozes differ from abyssal clay? Discuss how productivity, destruction, and dilution combine to determine whether an ooze or abyssal clay will form on the deep-ocean floor. The correct answer and explanation is : Oozes and abyssal clays are both types of sediment that accumulate on the deep-ocean floor, but they differ significantly in

Explain Weber’s law. Using each of the 4 Ps, illustrate an example of Weber’s law. Provide a photograph of a food, personal care or cleaning item that illustrates Weber’s Law and explain how it does so. The correct answer and explanation is : Weber’s Law: Weber’s Law states that the smallest noticeable difference between two