Answer:
Population growth is the increase in the number of people in a population. Global human population growth amounts to around 83 million annually,[2] or 1.1% per year.
Animals communicate with each other in many different ways. they use body language, sound, smell, and touch.
Answer:
"Physical characteristics include the natural environment, such as landforms, elevation, water features, climate, soil, natural vegetation, and animal life." Specific example is a swamp with alligators, snakes, fishing shacks, cyprus trees, Spanish moss, brown pelicans, duckweed etc.
Explanation:
Answer;
-Elevation between the areas is different
Explanation;
-The locks have been created between the Great Lakes and the St. Lawrence River because of the elevation between the areas is different. The Great Lakes and the St Lawrence River with the Atlantic Ocean are linked by St Lawrence Seaway which is a system of locks, canals and channels. The seaway provides passage for oceangoing vessels into central North America.
