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few people throughout the world are becoming less aware of our 5.__________past mistakes and are striving to halt this destruction and to revert

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to the use of methods from which will give us full use of our 6.__________resources without destroying them. The job may be a long one,

resources without destroying them. The job may be a long one,require much study and practice. The most important thing that7.__________

those of us who live in towns or cities can do is to take interest in 8.__________those problems and find out what is going on around us.

Because much of the land we see is covered up with sidewalks, streets, andbuilding, and this does not mean we are not directly9.__________