The theory of the continental drift explained how the continents had shifted their original positions. Once all joined together, as a "Urkontinent." Many people thought it was the mountains making them sink, but then that was dismissed because continental rocks were too light to sink to the ocean floor.
Because they are not man made and are part of the earth's natural features caused by the the weathering and erosion of the earth.
I dont understand plz say it more clearly
The correct answer is<span> A. a decrease in the dumping of hazardous waste
It was an act regarding all aspects of hazardous waste disposal that didn't leave anything to chance. From it's creating to it's disposing, every part was precisely defined how it should be handled. </span>