Exercises nswer the following questions in very short. How are developing countries different from least developed one. Write in a sentence.
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In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Why is cheating in college wrong? expecting a good answer about it a good opinion. you.

Which chinese invention is used to measur the strength of earthquakeswhich chinese invention is used to measure the strength of earthquakes