The burning of coal is the energy source which is most linked to global warming. Coal-burning power plants are still used in many countries to produce a grand majority of the electrical energy used, although it has been stated that this is one of the main reasons for global warming.
Answer:
migration; diffusion
Explanation:
With the migration of people from fertile areas, knowledge of agriculture spread by diffusion.
It relates to the state government having the power to regulate private industries that affect the common good.
1. C
2. A (not completely sure)
3. C
4. D
5. C (only one that makes sense)