Scientific evidence suggests that Earth formed approximately ____ ago.
A) 4.6 trillion years
B) 4.6 million years
C) 4.6 billion years
D) 4600 years
E) 460 years

Question

Quizplus · Accepted Answer

Scientific evidence suggests that the Earth formed around 4.6 billion years ago. This evidence comes from dating the oldest rocks on Earth and meteorites that have fallen to Earth. These dating methods rely on the decay of isotopes in rocks and minerals, allowing scientists to determine their age.

Scientific Evidence Suggests That Earth Formed Approximately ____ Ago