Question

The 10 km asteroid that hit the Earth 65 Myrs ago was responsible for the extinction of nearly 2/3 of all non-avian life on this planet and was devastating to the global ecosystem. However, had this same asteroid hit the Moon or Mercury, it would be a rather small and unremarkable impact compared to others on their surfaces. Why then was this impact so destructive on Earth? In the text box provided, write the letter of the correct answer and briefly explain/justify your choice. A. The Earth has an atmosphere. B. The Earth's climate influenced the spread of wildfires. C. The surfaces of the Moon and Mercury are made of different materials. D. Life was more fragile 65 Myrs ago so it was easily affected by the impact.

          The 10 km asteroid that hit the Earth 65 Myrs ago was responsible for the extinction of nearly 2/3 of all non-avian life on this planet and was devastating to the global ecosystem. However, had this same asteroid hit the Moon or Mercury, it would be a rather small and unremarkable impact compared to others on their surfaces. Why then was this impact so destructive on Earth?
In the text box provided, write the letter of the correct answer and briefly explain/justify your choice.
A. The Earth has an atmosphere.
B. The Earth's climate influenced the spread of wildfires.
C. The surfaces of the Moon and Mercury are made of different materials.
D. Life was more fragile 65 Myrs ago so it was easily affected by the impact.

The 10 km asteroid that hit the Earth 65 Myrs ago was responsible for the extinction of nearly 2/3 of all non-avian life on this planet and was devastating to the global ecosystem. However, had this same asteroid hit the Moon or Mercury, it would be a rather small and unremarkable impact compared to others on their surfaces. Why then was this impact so destructive on Earth?
In the text box provided, write the letter of the correct answer and briefly explain/justify your choice.
A. The Earth has an atmosphere.
B. The Earth's climate influenced the spread of wildfires.
C. The surfaces of the Moon and Mercury are made of different materials.
D. Life was more fragile 65 Myrs ago so it was easily affected by the impact.

Added by Donald R.

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