In the 1800s Lord Kelvin Estimated the Age of the Earth,utilizing

Multiple Choice

In the 1800s Lord Kelvin estimated the age of the Earth,utilizing a number of assumptions.Which wrong assumption was the primary reason why his estimate (approximately 20 million years) was so wildly inaccurate?

A) The Earth was once hotter than it presently is today.
B) The Earth may have been molten when first formed.
C) No new heat has been added to the Earth since its initial formation.
D) The Earth would lose heat over time through radiation into outer space.