Which of the following science process skills does the given classroom activity directly aim to develop among students? 'Think of the activities carried out by you during a normal day. Can you say in which activity, the rate of breathing will be slowest and in which it will be the fastest? Count your rate of breathing after a brisk walk and after running. Do other members of your family have the same breathing rate after these activities?'

A teacher asks the following questions while involving students in an investigatory activity on seed germination: A. How much do they grow if we double the amount of water? B. How much are they growing every week? Which process skills are primarily developed by these questions respectively?

A middle school science teacher organizes a classroom debate on the topic 'Destruction of natural habitats due to urban encroachment'. Which of the following is NOT a recommended purpose of using debates as a classroom activity?