Question No : 22
What is the primary source of energy for the water cycle?
Question No : 23
Which of the following is a method of soil conservation that involves planting crops in rows along the natural contours of the land to reduce erosion?
Question No : 24
What is the term for the variety of ecosystems in a given region or on the entire Earth?
Question No : 25
Which of the following is a method of conserving water in agriculture that involves watering plants at their roots rather than spraying them from above?
Question No : 26
What is the term for the process of converting organic waste into a material that can be used as a soil conditioner or fertilizer?
Question No : 27
Which of the following is a method of reducing air pollution from vehicles by using technologies that trap and remove pollutants from exhaust gases?
Question No : 28
What is the term for the process of breaking down rocks into smaller particles through physical or chemical means?