In 1786, Virginians called a convention in Annapolis to discuss problems with the protectionist trade barriers each state had erected. The colonists did not like this, because the colonies were more independent than they are now and they did not want the big, centralized government to decide how they were able to trade and who they were able to trade with. They also wanted to broaden their trade, to not only do commercial trade, but bigger trade.
The answer to this question is A. recycling petroleum-based products conserves resource.GOOD LUCK AND HOPE IT HELPS U
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The west and north of the country are dominated by sunken basins (such as the Gobi and the Taklamakan), rolling plateaus, and towering massifs. It contains part of the highest tableland on earth, the Tibetan Plateau, and has much lower agricultural potential and population.
Its territory includes mountains, high plateaus, sandy deserts, and dense forests. One-third of China's land area is made up of mountains. The tallest mountain on Earth, Mount Everest, sits on the border between China and Nepal. China has thousands of rivers.
Mountains, deserts, rivers, beaches, deep canyons and fertile plains all make up China's unique and storied geography.
The vast land expanses of China include plateaus, plains, basins, foothills, and mountains. Defining rugged plateaus, foothills and mountains as mountainous, they occupy nearly two-thirds of the land, higher in the West and lower in the East like a three-step ladder.