Answer:
Renewable Energy Resources.
Explanation:
Unlike fossil fuels which cannot be recovered when destroyed, these sources of energy can be recovered by a means of recycling . Recycling here reduces solid wastes which is one of the causes of land pollution.
Hydroelectric schemes can only be built in mountain regions where rainfall and rivers are plentiful which involves upset of aquatic ecosystem. This poses a dangerous pollution problem though.
Wind generators and solar panels are not very efficient energy producers. However, future schemes for producing solar energy via solar satellites are promising.
Answer:
here are some example of destruction of coral reefs. i didnt really understand what you were asking but hopefully this will help you!!
Explanation:
Reef Bleaching. Reef bleaching occurs when extreme water conditions cause corals to expel the internal microorganisms that give them their vibrant colors. ...
Poison or Dynamite Fishing. ...
Water Pollution. ...
Sedimentation. ...
Careless Tourism.
The number of workers for each person receiving Social Security benefits is called the DEPENDENCY RATIO. An increase in the dependency ratio increases the burden on the productive part of the population and has a direct direct impact on financial expenditures on things like <span>social security.</span>