Reduce the use of harmful products to the environment. Ways to reduce pollution in your home: 1  Buy biodegradable products. 2  Store all liquid chemicals and waste in spill-proof containers. 3  Eat organic foods that are grown without pesticides. 4  Look out for fertilizer or pesticide free products when you go to the market.educe the use of harmful products to the environment. Ways to reduce pollution in your home: 1  Buy biodegradable products. 2  Store all liquid chemicals and waste in spill-proof containers. 3  Eat organic foods that are grown without pesticides. 4  Look out for fertilizer or pesticide free products when you go to the market.
The four nitrogenous bases found in DNA are; Adenine (A), Thymine (T), Guanine (G) and Cytosine (C).
The Bases of DNA. The four nitrogen bases found in DNA are adenine, cytosine, guanine, and thymine. Each of these bases are often abbreviated a single letter: A (adenine), C (cytosine), G (guanine), T (thymine). The bases come in two categories: thymine and cytosine are pyrimidines, while adenine and guanine are purines ().