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5. A scientist is testing the affects of a chemical on an apple orchard, while another orchard does not receive any chemical spray at all. In the fall, the number of apples harvested from each orchard is counted. Which of the following is the independent (manipulated) variable in the experiment? A. the number of apples C. the first orchard B. the second orchard D. the chemical 6. The orchard sprayed with the chemical produces an average of 60 apples per tree, the other orchard produces an average of 40 apples per tree. Based on the data, the scientist would? A. determine that the chemical increases apple yield B. determine that the results were inconclusive C. test the chemical on the other plant D. report this data 7. A possible answer to a question or problem. It is also called an educated guess. A. quantitative C. hypothesis B. observation D. inference 8. Which of the following is NOT a rule when writing a hypothesis? A. it should restate the question C. it is a prediction B. it is an if/then statement D. it is testable 9. A scientist hypothesizes the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female What in
Sagot :
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