Abstinence means to avoid or not want to do something. It is preferred that high school children under the age of 18 restrain from sexual activity. (Hope this helps if it did pls mark brainliest!)
I believe the word your missing is "absolute" hope it helps:)
Answer:
Organise tree planting days at school and tell them why trees are important to the environment.
Encourage children to switch off all appliances and lights when not in use.
Environmental education is a process that allows individuals to explore environmental issues, engage in problem solving, and take action to improve the environment. As a result, individuals develop a deeper understanding of environmental issues and have the skills to make informed and responsible decision.
Explanation:
The answer is D, all of the above
