Question

how old is the earth? questio
n from class-VII text book​

Answer 1

Explanation:

Earth is estimated to be 4.54 billion years old, plus or minus about 50 million years. Scientists have scoured the Earth searching for the oldest rocks to radiometrically date. In northwestern Canada, they discovered rocks about 4.03 billion years old.

Answer 2

"This World is estimated to be 4.54 billion years old, increase or decrease about 50 million years. Scientists have wiped the Earth finding for the oldest rocks to radiometrically date. In northwestern Canada, they detect rocks about 4.03 billion years old"

Explanation:

                    Earth, third planet from the Sun and the fifth biggest planet in the solar system in terms of size and mass. Its single most excellent character is that its near-surface environments are the only places in the universe known to harbour life. It is selected by the symbol . Earth's name in English, the international language of astronomy, obtain from Old English and Germanic words for ground and earth, and it is the only name for a planet of the solar system that does not arrive from Greco Roman mythology.

Since the Copernican revolution of the 16th century, at which time the Polish astronomer Nicolaus Copernicus presents a Sun-centred model of the universe (see heliocentric system), learned thinkers have considered Earth as a planet like the others of the solar system. Concurrent sea voyages offered practical evidence that Earth is a globe, just as Galileo's use of his newly created telescope in the early 17th century soon showed various other planets to be globes as well.