Which of the following is the advantage of having a clean and good quality of air and water supply a. it will motivate them more to learn
b. it encourage them to play and move freely
c. it keeps the children free from illnesses and disease
d. it makes them feel at home to be able to learn effectively

Need 5. reflection what factors did you use to determine the validity of your sources? (what was most important and guided your decision to determine validity? ) what factors did you use to determine the reliability of your sources? what was the most important and guided your decision to determine reliability? what form of media resources (internet, publications, music, advertisements, video, etc.) do you think were the most valid and reliable for your question? support your answer. what was your best source? support your answer.