how do conservation tillage practices lead to agricultural sustainability? a. Conservation tillage practices reduce the amount of water required to grow crops. B. Conversation till his practices help reduce soil erosion and maintain soil nutrient levels. C. Conversation tillage practices naturally protect crops from insect damage, reducing the need for pesticide. D. Conservation tillage practices reduce the amount of energy needed to produce crops. please answer quickly

Why are nongovernmental organizations important? check all that applya. they are private institutions that aid the work of government. b. they often fill in gaps between government-funded services. c. they are private institutions that attack government policyd. they citizens by acting as watch dogs over elected officials

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Suggest two reasons why irrigation is important for human development of the desert (4 marks)