Fill in the blanks : 1. _______________ is the art and science of cultivating the soil and raising crops and animal stock ? 2. Modern day agriculture in valves use of _____________ implements and to give varied production. 3. The crop which will grow in a particular area is largely determined by the ______________ environment. 4. The most primitive method of the agriculture is ______________. 5. _____________________ is the draining of minerals and nutrients from top layers of soil by water. 6. Shifting cultivation is discouraged on account of the deforestation it causes which leads to ________________. 7. Technique of converting natural man made raw materials into finished products is known as _______________. 8. ______________ is a small household enterprises in rural areas involving family members. 9. Use of human hands to perform task of producing something termed as _____________. 10. ________________ are considered the backbone of development in any country. 11. The industrial revolution started with the invention of ______________ in 1769 in ________________.​