Homeostasis is the attempt to maintain stable conditions (particularly in an organism). It is done by using feedback loops (positive and negative).
Human activities such as Smog and Greenhouse gas can weaken the Earth's atmosphere allowing the suns rays to be more powerful when passing through the Atmosphere.
First option, Echo sounding
Answer:
Dissolved oxygen concentrations are constantly affected by diffusion and aeration, photosynthesis, respiration and decomposition. While water equilibrates toward 100% air saturation, dissolved oxygen levels will also fluctuate with temperature, salinity and pressure changes ³.
Explanation:
