In this question, marks will be deducted for each incorrect answer $($up to $2$ marks in total$).$ For example, answering all parts of this question incorrectly will deduct $2\mathrm{.}0$ marks from your total mark $($on $100).$ If you are not sure of the answers, please leave the specific drop$-$down options blank. Drop$-$downs with blank options will not be penalized. The course contains several interesting concepts and themes related to energy and the environment. In the early lessons we are introduced to the concept of work. Work was presented mainly as a way of Answerexchangingconservingtransferringproducing energy between a working agent and an object. The concept of work is presented as Answera cleara trickyan abstract concept. Take for example, two people who are trying to move a heavy box. If each person has burned up calories while attempting to move the box, then according to the concept of work, both will have Answermoved energy to the boxnecessarily performed some workperformed worknot necessarily performed work. The theme behind the concept of work is that if work were not properly defined as it is$,$ then it would be difficult to Answerdetermine the amount of power outputapply the law of energy conservationto define energy as a concept.