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the human-induced change of the landscape within sight of the coastline.

is continuously replenished in Earth's atmosphere by photosynthesis, which uses the energy of sunlight to produce oxygen from water and carbon dioxide.

is a formation, at or near the surface of tropical waters, formed by skeletal deposits of corals, a form of sea life.

human impact. most human action lead to waste products

A phenomenon in which algae inside corals die, causing the corals to turn white.

a species that is: non-native (or alien) to the ecosystem under consideration and whose introduction causes or is likely to cause economic or environmental harm or harm to human health.

is the activity of catching fish and other seafood for commercial profit, mostly from wild fisheries.

Removing more fish from the oceans than can be naturally produced. When a species of fish population dwindles the whole food web can be disrupted.

is fishing for pleasure or competition.

is a partially enclosed, coastal water body where freshwater from rivers and streams mixes with salt water from the ocean.

One type of habitat destruction acid, which lowers ocean pH. and makes the ocean acidic which harms corals and other marine species.