Examlex
Which of the following compounds is likely to release the most energy when it forms from the separated atoms?
Fertilizers
Substances added to soil to improve its fertility by supplying essential nutrients to plants, including nitrogen, phosphorus, and potassium compounds.
Digging Sticks
Simple tools used since ancient times for breaking the ground for planting seeds or for digging up roots and tubers.
Plows
Agricultural tools used for turning over the soil to prepare it for planting seeds by cutting, lifting, and turning over the soil.
Irrigation
The artificial application of water to land to assist in the growth of crops.
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