解析 C。解析:文中提到“Some desert plants have deep root systems that can reach underground water sources. Others have thick, waxy leaves that help reduce water loss through evaporation.”,一些沙漠植物有深根系可以到达地下水源,还有一些有厚厚的蜡质叶子可以减少蒸发造成的水分流失。
文章中提到“Some plants have deep roots that can reach down to underground water sources. Others have thick, waxy leaves that help reduce water loss.”,即一些植物有深根,可以到达地下水源。另一些植物有厚的蜡质叶子,有助于减少水分流失。反馈 收藏 ...
Living without water When there’s no rain and the soil is drying up, plants have to adapt to survive. By keeping their stomata closed during the hottest part of the day they can reduce transpiration, but with no carbon dioxide entering the leaves they can’t photosynthesise to produce su...
Control of water pollution The government is strict in taking measures by passing rules and laws to treat industries sewage. They should have a proper treatment plants. Nuclear plants should have more safe wastage storage systems. At the same time it is our bounden duty and responsibility individu...
If you’re looking to lose weight, the foods you choose can be your greatest ally. These are the best foods to help you shed pounds.
2. Reduce, reuse, recycle! We live in a ‘throwaway culture‘, where many of our things aren’t built to last. Each year, every house in the UK produces about1 tonne of waste– that’s about the same weight as agreat white shark!
The cacti, symbols of the desert, range from the teacup-size thimble plains cactus to the 60-foot-tall 10-ton saguaro. They are among the most drought-resistant plants on earth. Cacti have leaves that have evolved into spines, which help minimize water loss by evaporation and screen the pl...
The plants are harvested, while the seeds have a high oil percentage and high moisture content, which can be tested with special tools. The oil percentage is important with all varieties, not just the oilseed varieties. Harvesting while the oil percentage is good helps reduce post-harvesting lo...
Water Waste of Valued Resource; How to Reduce Your Use of WaterByline: ANDREW FORGRAVE Rural Affairs EditorDaily Post (Liverpool, England)
how to reduce energy losses due to friction during movement of the water level test cases request 来自 掌桥科研 喜欢 0 阅读量: 9 申请(专利)号: PL19770201961 申请日期: 1977-11-07 公开/公告号: PL201961A1 公开/公告日期: 1978-05-22 ...