Weather can change from hour-to-hour and day-to-day, and can differ based on atmospheric changes and humidity, among other factors. Climate is the average of an area's weather over a period of time - a pattern that typically occurs over many years.
probably the scale of the map
A coral is a type of Marine animal (Invertebrate) that secretes calcium carbonate to form an organic rock home.
Answer: A - forest overgrowth
Forest overgrowth is not regarded as an environmental issue.
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The proximity of water was an advantage to Western Europe and its culture was able to flourish as a result. Trade and travel by sea were easier and safer in historical times.