I believe one method is by trying it's hand at "oil farming". Using UN-imported oil for energy use is cheaper. Another is by using Solar energy that can be collected as long as there is sunlight. :)
Mental healthy can affect intellectual health in many ways. For example.. if you have anxiety, you are more likely to stress or worry, which can make you lose your train of focus, and if you don’t learn in class, because you can’t focus, you won’t learn. Which may affect your grades and intelligence. Another example.. depression can make you feel extremely sad or exhausted, making you not want to do anything.. you could give up in class, and in learning overall, which will eventually... affect your grades negatively,
The bigger rock has a higher mass and volume then the smaller rock therefore it’s heavier
The inner ear contains the eardrum
The answer would be D) All of the above because when it comes to peer pressure, it can make u sad and discouraged to do things u usually do, could lead to bad conduct such as: smoking, stealing or even being drunk, and this can lead to questionable friendships because when a friend makes u do something u don't want to do, u may think to yourself, is this person really my friend and does he/she consider me equal to them and not just a pawn.
Hope this helps.