Radiation from elements created in nearby supernovae, meteor and asteroid impacts during accretion, and pressure generated from chemical differentiation are all reasons for which of the following?

Responses

Why Earth was suitable for the emergence of life
Why Earth was suitable for the emergence of life

Why early Earth was so hot
Why early Earth was so hot

Why Earth is a rocky, not gaseous planet
Why Earth is a rocky, not gaseous planet

Why Earth only has one moon
Why Earth only has one moon