How do you make easy and eco-friendly machines?

How do peer pressure affects society? What is the main environmental problem on the savanna? Advantages of Multipurpose River Valley Projects? Is a eraser renewable? How does the tourism in benidorm affect there environment? How do you come out if you're bi? What are the players in the carbon cycle? What can people do today to preserve the natural environment? How di the renaissance have an affect on European soceity? What is meant by unipolar world? Highest per capita rate of homosexuals in north America? Which environment is best for a petunia? What chemicals are present in the water drainage or condensate of a home air conditioner? What types of Clothes one can wear in 20 degree Celsius? What is 2 examples of interaction between people and their environment? How did Malcolm x and the black panthers affect the goals of the civil rights movement? What is the most extinct plant to date? Is Black Power an organization? How do sunbeds affect society? How would deforestation effect percolation?