Identify from the following list which examples are controlled experiments. You make two pitchers of lemonade and -only change the amount of lemonade mix you add.
-only change the amount of water you add.
-change both the amount of water and the amount of lemonade.

The answer is A&B

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

Examine the air pressure map. which type of line is shown on the map?