Here is the reason why we should make energy efficient Our energy is limited, takes long time to make it back, for example to create oil, nature takes millions of years. Save energy, we also save our money, because expenditures that we do to buy it will be reduced, and we can use for our other needs. Save energy, is one solution to global warming. And there are many other reasons why we should save energy.
For some people, math is a difficult subject to master. If parents who have problems like that, of course, will have trouble when they serve as a math homework help for their children. It would be nice when the children ask their parents about the algebra 1 or algebra 2 , they can answer it. But, how do we study mathematics? Should we go back to school? I think, there are many ways to learn math again. For example, by using an online tutorial that provides math statistics help , calculus help , geometry help , Algebra 2 Help and others. I think, our kids will be more proud of us, when we could help for their math homework.