Global warming and overpopulation are one of the most pending problems that needs to be dealt in the present days to aim for the bright future, to overcome hanger and poverty. For today the issues related to Global Warming and overpopulations are in incline. As time passes the more problems occur. It is well known that agriculture and Global Warming worsens the environment similarly. Agriculture has a vast influence on Global Warming, around 30 percentage from total. And similarly, Global Warming has the impact to agriculture. However, it was stated that small farms will be troubled the most, whereas larger farms will produce more and more product no matter what. Therefore, the article aims to describe subsistence agriculture and the effect it will have from Global Warming as well as it influences on the emission of greenhouse gasses. Common contributors of greenhouse gasses will be described such as: residue burning, usage of synthetic fertilizers, manure management etc. Also, the approaches that can help small subsistence farmers to withstand future difficulties. The concept of agroecology was briefly depicted, by outlining the significant parts of the approach.
The following work was done to analyze mobile structures with different arrangements of wheels. Software package Solidworks was utilized in modeling and analysis of the structures. Eight mobile structures were built by rearranging the placement of both driven and free wheels. Each structure has its own unique placement of wheels, hence giving the opportunity to understand the influence of the wheels’ placement on the functionality of the whole structure in terms of speed, stability, and other parameters. Therefore, eight mobile structures were analyzed, and the results were gathered. Adding more driven wheels or free wheels does not improve the performance of the mobile structures. The outcomes of the results illustrated that structure 6 tends to be more positive in terms of energy consumption, torque, and stability. Hence, adding more driven wheels does not improve the performance of the mobile structures.
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