The coelacanth is another lobe-finned fish that is a living fossil. It is thought to have evolved into roughly its current form about 408 million years ago, during the early Devonian, and has not essentially evolved further from its ancient form.
Water temperature<span> is one of the most important characteristics of an aquatic system, </span>affecting<span>: Dissolved </span>oxygen<span> levels. The </span>solubility of oxygen<span> decreases as </span>water temperature<span> increases.
hope this helps :3
</span>
Answer:
since for some reason I cant delete my answer I'm going to edit it.
Answer:
photochemical smog
Explanation:
Thick, brownish haze formed when certain gases in the air react with sunlight is called photochemical smog.
Photochemical smog is a combination of pollutants which are formed when certain gases such as nitrogen oxides and other organic compounds react with sunlight, leading to the formation of brown haze.
