Swelling of dead bodies in water is due to:
Correct answer: D. Decomposition
- A. Osmosis
- B. Diffusion
- C. Expansion
- D. Decomposition
Explanation
The swelling of dead bodies in water is primarily due to the process of decomposition. When a body is submerged in water, bacteria and other microorganisms begin to break down the tissues, releasing gases such as methane, hydrogen, and nitrogen. As the gases accumulate, they can cause the body to bloat and swell.
This question appeared on the ETEA MDCAT 2010 paper, which you can sit online with every answer explained.
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An ecosystem consists of organisms interacting with one another and with abiotic factors such as light, water, soil and temperature. The topic covers populations and communities, food chains and webs, trophic levels, ecological pyramids, energy flow, nutrient cycles and ecological succession.
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