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Romashka-Z-Leto [24]
4 years ago
10

Which statements describe Wegener’s ideas that became known as the theory of continental drift?

Geography
1 answer:
SVETLANKA909090 [29]4 years ago
5 0

Answer:A) The continents move.

B) The continents drifted apart over a long period.

C) The continents were once connected as one landmass.

Explanation:

Continental drift is the theory that continents were once ONE huge landmass and each continent shifted relative to other continents over many years. In 1912, Alfred Wegener named the single landmass Pangea.

According to Wegener, Pangea split about 200 million years ago, giving way to the oceans currently separating the continents. Prior to 1912, some scientists such as Roberto Mantovani had attribute the separation of the continents to volcanic activity, but this has since been proven to be wrong.

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How the physical environment has affected human activity in Central America?
Juliette [100K]

Answer:

Humans require water for survival, so they tend to settle near areas with access to large amounts of water. Rainfall and water bodies such as rivers and lakes provide humans with clean water for drinking, cleaning, agriculture and recreational activities. Pollution of water supplies and population growth depletes aquifers leading to competition and waterborne diseases, especially in developing countries.

Climate patterns around the world influence human settlements. They live in conditions that favor their lifestyles and alter their clothing and housing in accordance with climate. In addition, extreme weather leads to sparsely populated areas and limit agricultural practices; for example, harsh and cold weather favor plants that can adapt to that environment.

Land formations such as mountains and hills shape transportation routes and networks, while the movement of tectonic plates on the Earth's surface sometimes causes hazards like earthquakes that destroy habitats, displace humans and affect the availability of water.

Fertile soil carries out numerous functions such as supporting life, recycling nutrients, regulating water and providing structural support for buildings. Humans extract minerals and perform recreational activities on the soil. Infertility creates deserts and leads to the migration of settlements.

A balanced ecosystem relates to better agricultural produce and less air pollution. Provision of food, safe water and clean air improves the well-being of living organisms.

Explanation:

6 0
3 years ago
Briefly describe how buoyancy, isostatic equilibrium, and epeirogenic processes are related.
nataly862011 [7]
<h2><u>Relation between buoyancy, isostatic equilibrium, and epeirogenic processes</u></h2>

                   Buoyant force or buoyancy, is the force exerted in an object which is fully or partially occupied in a fluid. Isostatic equilibrium is the gravitational equilibrium between earth's crust and underlying mantle. while epeirogenic process is the depression of land having long wavelengths.

Both epeirogenic process and  isostatic equilibrium uses the principle of buoyancy. The crust of the Earth or the lithosphere floats over underlying mantle at an elevation depending upon its density and thickness.

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3 years ago
Terms = Definition.
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