3.Give feedback to the contributions of at least two of your classmates.Reply to my First classmate (Daniela Arriaga Alvarado)I agree with your conclusion, I as we learned in middle school, all those elements make a reaction in living being that allows us to can complete some activity, for example all the energy stored in our body is carbohydrates, and these elements have carbon which is a biomolecule, it isincredible how life can be in that way so perfect that when you realize and learn more about it everything has sense.Sciencing.com. (2018). [online] Available at: -living-organisms-8335998.html [Accessed 29 Sep. 2018].Reply to my Second classmate (Luisa Ximena Quiroga Escobedo)I completely agree with "there are some chemical elements that are essential for our life" , oxygen is a vital element for living beings as well as water. It is really interesting how you added the technology topic to this because it is something that I did not pay attention and it is completely true how technology has brought a lot of positive things like cures but at the same time diseases, and it is something we have to learn how to control or balance.Humanitas University. (2018). How Technology is Changing the World of Medicine | Humanitas University.[online] Available at: echnology-changing-world-medicine/ [Accessed 29 Sep. 2018].CONCLUSION:I think this topic, I believe that this a really interesting topic because you are able tocomprehend the way how everything works together, and how wonderful life can be. Everything has a reason to be like that, as I learned from my Ecology teacher, every single living being has a reason and a duty on the planet even bugs, so sincethen I try not to kill bugs just try to keep them away from me.