Respuesta :
The Mesozoic Era began about 225 million years ago and ended about 66 million years ago, when an impact ( meteorite collision ) struck the Yucatan Peninsula in Mexico and released energy equivalent to 100 million megatons of TNT. Global effects of that impact were massive earthquakes and the large quantities of dust that blocked incoming solar radiation. The atmosphere admitted much less sunlight and plants were not able to go through the process of photosynthesis. The Earth was in a state of continual darkness and temperatures dropped through the world, generating global winter conditions. This event resulted in extinction of over 50 % living at that time, including the dinosaurs.
The Mesozoic era was the phase during which the sunlight was blocked from reaching the Earth due to the dust after meteorite collision with Earth and the temperature of Earth fell significantly leading to extinction of several species.
Explanation:
The Mesozoic era is the name given to the period which started after the striking of the huge meteorite in the Yucatan peninsula in Mexico. It was a very huge meteorite whose traces can be see till date.
When the meteorite struck or collided with the Earth, the collision resulted in the formation of huge amount of suspended dust in the atmosphere. This dust prevailed in the atmosphere for several millions of years.
The huge amount of dust in the atmosphere blocked the sunlight from reaching the Earth. This lead to the global winter conditions on the Earth and also prevented the plants from undergoing photosynthesis.
Due to this, the carbon dioxide content increased to the significant level and this lead to the vanish of half of the living component of the Earth including the dinosaurs.
Thus, The Mesozoic era was the phase during which the sunlight was blocked from reaching the Earth due to the dust after meteorite collision with Earth and the temperature of Earth fell significantly leading to extinction of several species.
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Answer Details:
Grade: High School
Subject: Physics
Chapter: Meteorites
Keywords:
Mesozoic, era, Earth, meteorite, collision, dust, million years, temperature, sunlight, Yucatan, photosynthesis, extinction.
