2\nscientists study many lines of evidence to estimate the age of the earth, including rocks, fossils, other…

2\nscientists study many lines of evidence to estimate the age of the earth, including rocks, fossils, other objects in the solar system, and the half - lives of radioactive elements.\nbased on all of this information, scientists estimate the age of the earth to be ______ years.\n○a. 4.54 million\n○b. 454,000\n○c. 45,400\n○d. 4.54 billion\nreset submit

2\nscientists study many lines of evidence to estimate the age of the earth, including rocks, fossils, other objects in the solar system, and the half - lives of radioactive elements.\nbased on all of this information, scientists estimate the age of the earth to be ______ years.\n○a. 4.54 million\n○b. 454,000\n○c. 45,400\n○d. 4.54 billion\nreset submit

Answer

Brief Explanations:

Based on scientific evidence from rocks, fossils, solar - system objects, and radioactive - element half - lives, the Earth's estimated age is 4.54 billion years.

Answer:

D. 4.54 billion