Answer:
Both involve drilling into the earth and can cause environmental degradation.
Step-by-step explanation:
When considering acquiring natural gas and drilling oil both processes needs drilling into the earth’s surface both natural gas and oil can be drilled from either land or oceans. When it comes to the factor of environmental impact both of them causes a threat to the human environment.
Drilling over a certain region again and again causes depletion of the natural resources at that region which eventually leads to environmental degradation. Thus both involve drilling into the earth.