It should be natural selection since there is no external influence implied. (like environment or genetic mutations.)
The correct answer is "The oil removed by this structure can be used to power ships."
Oil rigs are positive, effective and direct methods of recovering crude oil. It is a large construction on or in water with facilities to drill wells, to extract and process oil and natural gas, and to temporarily store product until it can be brought to shore for clearing and retailing.
Growth,cellular differentiation and morphogenesis
Answer:
Option D, West Nile virus fever/encephalitis
Explanation:
A re-emerging disease is one which after a long span of time has re-emerged again as the microbes causing such diseases have become resistant to the existing drugs.
Here tuberculosis , malaria and gonorrhea are the re-emerging disease as the microbes causing these diseases have become resistant to the available drugs and thus there is a need to produce medicines that could fight with the re-emerged multi drug resistant tuberculosis , Malaria and gonorrhea
Hence, option D is correct.
