Eutrophication results in the death of trout and other fish as a result of asphyxiation from the lack of oxygen. Eutrophication involves the enrichment of water by nutrients salts such as phosphates, nitrates among others, that causes structural changes of the aquatic ecosystem such as; increased production of algae and aquatic plants, depletion of fish species, deterioration of water quality and other effects that impact negatively the aquatic ecosystem.
Answer:
Agricultural revolution, start of Neolithic era, maybe 12000 yrs ago
Explanation:
Plants produce oxygen this oxygen gas which is important part of our air is gas that plants and animals must have in order to stay alive when people breeze it's the auction that we take out of the air into our cells and blood is there taking into the alveoli and this is where gas exchange takes place all the o2 available for living organisms come from plants
Answer:
Explanation:
Wave generators harness the power of breaking waves which are disturbances that transmits energy to produce electric power for homes and industries.
This energy source is choice by many because it is environmentally friendly.
Here are some of the disadvantages;
- Threats to marine ecosystem especially those organisms that resides on the continental shelf where most these generators are installed.
- It can pose serious damage to the beach natural outlook as energy waves can be periodically discharged.
- Disruption of ships and vessels that might dock near the beach.
- Noise pollution generated by the plant is undesirable.
- The seasonality of waves might cause fluctuations in power generation.
