Question

The first estimate of the age of our planet was that of:

a. Kettlewell

b. Ussher

c. Plato

d. Darwin

Answer 1

@Abhisar ?

Answer 2

I was thinking d, but not sure.

Answer 3

Yes it is D :)

Answer 4

"the astronomer George H. Darwin, proposed that Earth and Moon had broken apart in their early days when they were both molten. He calculated the amount of time it would have taken for tidal friction to give Earth its current 24-hour day. His value of 56 million years added additional evidence that Thomson was on the right track."

Answer 5

Thanks!

Answer 6

No problem at all :)