71 million years ago. Hope it helps :)
Answer:
Disturbances can leave legacies or traces in the landscape, vegetation or soils of variable duration. They can alter the ecological succession.
Explanation:
Ecological succession is the evolution that occurs naturally, producing a dynamic ecosystem.
A disturbance is any discrete and external event that alters an ecosystem, community or population, which changes the availability of resources or physical environment.
Agents of natural disturbances:
• Winds (storms, hurricanes, tornadoes)
• Tree falls
• Moving water (floods)
• Landslides
• Frost
• Droughts
• Fires
• Animals (grazing, pests)
Human disturbances:
• Agriculture and grazing
• Mining
• Pollution
• Irradiation
• Fires
The disturbances, depending on their characteristics, can leave legacies or traces in the landscape, vegetation or soils of variable duration. They can alter the ecological succession.
I hope this answer helps you!
Answer:
A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create a new oceanic crust. When two plates come together, it is known as a convergent boundary.
Government information
Answer:
Africa is the only country having lowest human development
Answer:
Explanation:
Fascism is a right-wing form of government in which most of the country's power is held by one ruler. Fascist governments are usually totalitarian and authoritarian one-party states.
Italian Fascism was rooted in Italian nationalism, national syndicalism, revolutionary nationalism and the desire to restore and expand Italian territories, which Italian Fascists deemed necessary for a nation to assert its superiority and strength and to avoid succumbing to decay.
he fascist movement came to Italy after the First World War desired a revolutionary dictatorship, which would transform Italy into a new civilization, using force when required. For large numbers of Italians, an oppressive fascist regime brought economic hardship and/or a loss of basic human rights.
