Question

what should be done for economical use of space​

Answer 1

Answer:

A cost is composed of three elements – Material, Labour and Expenses. Each of these three elements can be direct and indirect, i.e., direct materials and indirect materials, direct labour and indirect labour, direct expenses and indirect expenses

Answer 2

Space exploration thus supports innovation and economic prosperity by stimulating advances in science and technology, as well as motivating the global scientific and technological workforce, thus enlarging the sphere of human economic activity.