تكلم مع الذكاء الاصطناعي
Environmental Science 15th Edition by Scott Spoolman,Tyler Miller
النسخة 15الرقم المعياري الدولي: 978-1305090446Environmental Science 15th Edition by Scott Spoolman,Tyler Miller
النسخة 15الرقم المعياري الدولي: 978-1305090446 تمرين 13
Rare earth metals are widely used in a variety of important products ( Core Case Study ). According to the U.S. Geological Survey, China has about 50% of the world's reserves of rare earth metals. Use this information to answer the following questions.
In 2010, the global demand for rare earth metals was about 133,600 metric tons. At this annual rate of use, if China were to produce all of the world's rare earth metals, how long would their reserves last?
In 2010, the global demand for rare earth metals was about 133,600 metric tons. At this annual rate of use, if China were to produce all of the world's rare earth metals, how long would their reserves last?
التوضيح
موثّق
موثّق
China harbours half of the world's total...
Environmental Science 15th Edition by Scott Spoolman,Tyler Miller
لماذا لم يعجبك هذا التمرين؟
أخرى 8 أحرف كحد أدنى و 255 حرفاً كحد أقصى
حرف 255
