Answer:
Soil conservation is important because soil is crucial for many aspects of human life as it provides food, filters air and water and helps to decompose biological waste into nutrients for new plant life. Soil can be drained away or contaminated, destroying it for use. Soil conversation involves working to reduce contamination and depletion.
Explanation:
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The energy produced in the burning of gasoline = 45 kJ/g. So, amount of energy produced by burning 48 L gasoline = 45 kJ/g×36960 g = 1663200 kJ.
Answer: Option (D) is the correct answer.
Explanation:
In fusion reaction, two small nuclei combine together to result in the formation of a large nuclei.
Whereas in fission reaction, large nuclei dissociates into two or more small nuclei.
Nuclear fusion releases more energy as compared to nuclear fission.
For example, two hydrogen nuceli fuse together and result in the formation of helium atom along with release of energy.

Answer:
heat is released in going from reactants to products
Explanation:
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