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What is real gas

Why is the plasmids that strongest promoters not always the best expression vector

Amy pays $25 to enter a state fair, plus $3 for each ride. Which of the following equations represent her total cost?

⭕ A. y = 28x

⭕ B. y = 3x + 25

⭕ C. y = 25x + 3

⭕ D. y = 3x + 28

Science Grade 9 Chemistry:

You are doing an experiment to see if drinking coffee at breakfast improves your marks. You divide your class into 2 groups. Group A drinks coffee in the morning and Group B does not drink coffee. When the students come into class you have them write a test. You found the average mark for Group A was 75% and the average mark for Group B 90%. (6 marks)

What is the independent variable in your study?

What is the dependent variable in your study?

What is the control group in your study?

List 2 controls you should have in your study.

What is your conclusion for the study?