Question

question 5
q5. why is seismic reflection profiling important for the oil and gas industry?
it reveals seafloor surface hazards for navigation
it maps fish populations near seafloor habitats
it identifies subsurface sedimentary structures that trap hydrocarbons

Explanation:

• Option 1: Seismic reflection profiling is not mainly for revealing seafloor surface hazards for navigation. Its focus is on subsurface, not just surface navigation - related hazards.
• Option 2: Seismic reflection profiling is not used to map fish populations. It is a geophysical technique for subsurface geological structures, not marine biology - related fish mapping.
• Option 3: Seismic reflection profiling is a key geophysical method in the oil and gas industry. It uses sound waves to image subsurface layers. Sedimentary structures that can trap hydrocarbons (oil and gas) are identified through this technique, as it can show the layers and structures below the Earth's surface where hydrocarbons might be trapped.

Answer:

C. It identifies subsurface sedimentary structures that trap hydrocarbons (assuming the third option is labeled as C; if the original options have different labels, adjust the label accordingly with the correct option text: "It identifies subsurface sedimentary structures that trap hydrocarbons")