www.bbcnoun.com.ng CRD204 1. There are __________ perspectives to study science and technology two (2) 2. ___________ resource include all material and non-material things of the world leading to co-operation world 3. _______ occurs when there is change in the genetic material (DNA) evolution 4. _________ reduction reduces environmental impacts and energy demands waste 5. There are three important indicators of resource scarcity three (3) 6. ______ stems from the purposeful interaction of natural and human primed and kept going by demand based on availability for use resourceship 7. A profit seeking company, however, will recycle a product only when its cost is _____ than the use of the virgin material Lower 8. __________is the re-use of a given input or output. recycling 9. There are ______ important indicators of resource scarcity: three (3) 10. A ________ is a conjecture, based on knowledge obtained while formulating the question hypothesis