Type the correct answer in the box. Spell all words correctly. What is cogeneration? Cogeneration is a process of producing electricity and (blank) simultaneously

Ahypothesis that has been tested again and again , with similar results each time may become a law , true or false

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Which of the following is not a defining characteristic of plants?