Answer: <u>A metal </u>is rare on Earth but relatively abundant in iron-rich meteorites. It has been found in widespread layers on Earth and it's date of deposition coincides with the major extinction of life on Earth 65 million years ago, possibly indicating a connection between a large impact and this extinction.
Explanation: That metal would be iridium
Answer:
Lacking the actual choices I assume mass, magnetic field, Atmosphere, or the Moon.
Explanation:
Mercury is 4,879 km, which is approximately 38% the diameter of Earth. ie barely larger than the moon. answer was also supposed to include the presence of the moon, a magnetic field only 1.1 % the strength of Earth, and lacks a protective atmosphere to burn up/ reduce the size of meteors.
Because the earth is sphere
