Question

The deep sea sediments are deposited mostly by __________________.

• A. microscopic organisms
• B. rivers
• C. ocean currents
• D. None of these

Answer 1

The correct option is A microscopic organisms

Deep sea sediments are formed by mainly terrigenous material from land come with rivers; biogenic material largely formed by skeletal debris of micro-organisms and minerals and other materials, which form the seafloor. Thus, major sediments are done due to microscopic organisms.

Therefore, the correct answer is option (A).