Which of the following is true about Miami Beach raising its sidewalks now to pr

Question

Which of the following is true about Miami Beach raising its sidewalks now to prevent "sunny day floods"? This project is paid for by funding from the office of the governor of Florida This project is paid for by taxes raised by the city mayor This effort is estimated to remain effective for approximately 40-50 years (e.g. until about 2060) All of the above Answers Band Care both true The percentage of climate scientists who agree that climate change is caused by human activities such as burning fossil fuels is: 3% 30% 50% 90% 97% Which of the following materials has high porosity and high permeability? unfractured granite well-stored gravel compacted clay uncompacted clay poorly sorted sand, silt, and clay What is a main way surface waters become groundwater? water in the unsaturated zone evaporates water flows through the unsaturated zone and into the saturated zone water flows from the saturated zone and into the unsaturated zone water flows from the water table through the unsaturated zone none of these What is the nature of the water table? it is the boundary between the saturated zone and unsaturated zone below the water table, water fills pore spaces and can flow infiltrating water generally passes through the water table to become groundwater all of these a and b only Which of the following combinations make for the best groundwater reservoir? low permeability and low porosity low permeability and high porosity high permeability and low porosity high permeability and high porosity This cross section shows the location of a septic tank with harmful bacteria and 5 wells. Which well is least likely to become contaminated? well A well B well C well D well E

Explanation / Answer

24) The percentage of climate scientists that believe that the climate change is caused by human activities like burning fossil fuels is : E) 97%

25) which of the following materials has high porosity and high permeability: well sorted gravel.

26) answer : b) water flows form the unsaturated zone into the saturated zone.

27)answer: E) only A and B.

28)answer: D) high permeability and high porosity.

29)answer: A)well A

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