giúp mình nhé The search of alternative resources of energy,has has (1) ___ n ddifferent direction. Many,communities are burning garbage and other,(2) ___ wase poductt to produce electricity.,(3) ____ work is being done to make synthetic,fuels from coal, or coal tars. But to date, that,process has proved expensive. Some ex p,are trying to revive,$derivea$,ago, hydroelectric power

Question

giúp mình nhé The search of alternative resources of energy,has has  (1) ___   n ddifferent direction. Many,communities are burning garbage and other,(2) ___  wase  poductt to produce electricity.,(3) ____  work is being done to make synthetic,fuels from coal, or coal tars. But to date, that,process has proved expensive. Some ex p,are trying to revive,$derivea$,ago, hydroelectric power

Accepted Answer

Dựa trên ngữ cảnh của đoạn văn, câu trả lời có thể như sau:

The search of alternative resources of energy has (1) resulted in different directions. Many communities are burning garbage and other (2) biological waste products to produce electricity. (3) Experimental work is being done to make synthetic fuels from coal, or coal tars. But to date, that process has proved expensive. Some experts are trying to revive (4) hydroelectric power which is derived from streams and rivers. Fifty years ago, hydroelectric power provided one third of the electricity used in the United States, but supplies have since decreased.