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Question 1 Which of the following describes the treatment in an investigation? Answer a controlled test designed to answer a question or solve a problem the factor that responds to a change the factor that is kept constant the factor that is changed in order to observe a response 3 points Question 2 Which statement best describes an independent variable? Answer The variable that responds to change in an investigation The variable you change in an investigation The effect in a cause effect relationship The factor that can never change in an investigation 3 points Question 3 Liam did an investigation to see how water temperature affects the amount of salt that will dissolve in the water. He filled 4 beakers with exactly 100 milliliters of water each. He then heated each beaker to a different temperature and tested salt solubility at each different temperature. What was Liam's independent variable? Answer amount of water in each beaker the number of beakers the amount of salt that dissolved in each beaker the temperature of the water in each beaker 3 points Question 4 Which of the following is an example of a treatment? Answer Plants response to changes in temperature Changes made to the temperature of a greenhouse The kind of soil the plants are in 3 points Question 5 Jose is curious about which home remedy removes skunk smell from his dog. Which of the following is a variable that must be kept constant? Answer How well the skunk smell is removed. The home remedy used The breed of dog 3 points Question 6 It is not important to make sure that all variables other than the independent variable are kept constant. Answer True False 2 points Question 7 In order to determine whether or not a substance is an acid or a base, you may stick your finger in the container and make your decision based on whether or not your finger feels slippery. Answer True False 2 points Question 8 A poison hazard symbol means your should not let chemicals contact your skin, ingest or inhale the substance. Answer True False 2 points Question 9 Repeating an experiment is important because Answer Helps you form a hypothesis it proves the hypothesis is correct it reduces the chance of error 3 points Question 10 When using repeated trials during a scientific investigation, scientists should find the average of their data for use in their final report. Answer True False 2 points

Biology
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What dependent variable
Is that math

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Other answers:

If so it shoulld be in the math Section
its a science question
oh okay lol i have no clue :)
In science we like to operate between 2 kinds of analysis: 1) The qualitative analysis. 2) The quantitative analysis. The qualitative analysis, is usually a binary analysis on a variable where we can say "true" or "false". The quantitative analysis, is the analysis using numeric value to a test, compared to a reference used for the experiment. Examples of using both analysis could be on temperature and could be outlined as follow: "We consider a chemical reaction and are interest in the temperature before and after the reaction is carried out" Question using qualitative analysis: "Will the temperature change when the chemical reaction is done?" Answer: "Yes" or "no" Question using quantitative analysis: "How MUCH will the temperature increase after the chemical reaction?" Answer: a numerical value compared to a reference. Based on that, answer your question.
In addtion to that I suggest you post each question individually, we know from experience there is a higher chance of getting questions answered. Along with that, we may not just answer tests by writing a letter/number to each question. In that case it is best you try your self and some may take the time to check if they are correct.

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