Keystone species ; this is a species whose presence is critical to the composition and integrity of the community
Answer:
the last one
Explanation:
loose clothing doesn't overheat the body causing you not to sweat. sweating is a way the body loses hydration so wearing loose and light clothing prevents you from sweating
Eutrophication occurs due to excessive use of these compounds, which can lead to having dead zones in bodies of water.
Dead zones refers to areas with decreased levels of oxygen in the bodies of water caused by eutrophication and other factors. These affect the marine life negatively as fishes are also dependent on oxygen.
Eutrophication is defined as the presence of excess minerals in the water, which causes dense growth of plants and leads to depletion of oxygen that make the animals in the water to die.