Answer: am equals 11 and ab equals 50÷8
Explanation:
Just add or divide or multiple or subtract
Explanation:
1.The definition of “sustainability” is the study of how natural systems function, remain diverse and produce everything it needs for the ecology to remain in balance
2.Dubai
3.the United Arab Emirates (UAE), long plighted by extreme climate conditions and vast resource consumption, there is a new type of city cropping up amidst the sand dunes. These meticulously–and expensively–designed “sustainable cities” are touted as models for green development: examples of how, in an inhospitable environment, humans can live with minimal impact on the earth.
