It's evident that we can know many thing about the land with the world when we follow rivers.In this documentary，the six river as women as warm.so it let people can't help helping the river.but we still not can't have people throwing rubbish.Always help the river.what a beautiful rivers!I do not know whether the pollution and heavy industry have a relationship.But it is high time that help the rivers!That is no doubt that river nurturing civilization.hardly we help when it became diffrient.I can see nothing but a beautiful future.
It's evident that we can know many thing about the land with the world when we follow rivers.In this documentary，the six river as women as warm.so it let people can't help helping the river.but we still not can't have people throwing rubbish.Always help the river.what a beautiful rivers!I do not know whether the pollution and heavy industry have a relationship.But it is high time that help the rivers!That is no doubt that river nurturing civilization.hardly we help when it became diffrient.I can see nothing but a beautiful future.
Would you please help the river?
热带雨林是靠近赤道的热带地区雨林，温度较高，白天在30℃晚上在20℃左右，其次雨多，几乎每天下雨，空气潮湿，最高树木长到80nn米高度，例如马拉西亚的塔豆，西双版纳的望天树70米高。地球绿色森林，褐色荒漠，世界有3大雨林群系。亚马逊乔木有时候可达100米，印度马来雨群系分布在菲律宾，马来半岛和中南半岛中西两岸以龙脑香科为主，其次刚果盆地雨林。赤道地区太阳照射强度大，热烘烘向两边膨胀上升，南北两侧很难。暖空气和冷空气相互循环。亚马逊热带雨林排出的氧气都占33%的量。针叶林主要包括云杉，冷杉，比较喜阳的落叶松和松树等耐寒树种，减少霜冻的影响。针叶林占我国50%。乔木层，灌木层，草本植物层。体型最大鹿驼鹿。红树林是由红树科，含有大量单宁。湿地是水深不超过2米，积水长达4个月以上。湿地是地球之肾，巴西的潘搭纳尔沼泽地。全球有四大洋，太平洋，大西洋，印度洋，北冰洋，东海岸，南海，地中海，海洋1000米以下就看不到阳光了。最深的在太平洋的马里亚纳海沟深度10000米以上。深海的可燃冰，锰结核制造坦克，钢轨和航空。深爱的猴子面包树里面长的水。苏比利尔湖是世界最大的淡水湖，青海湖是盐水湖，中国第二大湖是江西的鄱阳湖，古代最大的湖是洞庭湖现在是我国第三大湖。南方水稻播种5-6月。云南的哈里梯田。我国大大小小有600多个城市，50万以下为小城市，超过1000万为超大城市。绿洲来自地下水nn