How does tar sand used for production of energy form?
A) humans add oil to quartz sand to make the material easier to move
B) oil spills from supertankers washes up on beaches
C) oil generated through normal processes is degraded by bacteria
D) oil combines with ice in colder parts of the ocean

Question

Quizplus · Accepted Answer

Tar sand, also known as oil sand, forms when oil generated through natural geological processes is partially degraded by bacteria. This process thickens the oil and mixes it with sand and clay, resulting in a dense, viscous mixture.

How Does Tar Sand Used for Production of Energy Form