Answer:
A, B, B, C, D.
Explanation:
I am sorry if it is incorrect, I hope this finds you well!
Because of the fact that they needed
Answer:
option D - each year is attached to an animal
Explanation:
Eg - 2020- rat
Answer:
These atoms will decay as the rock ages, and by measuring the ratio of radioactive isotopes within the rock, scientists can figure out how long it has been around. In 1913, geologist Arthur Holmes published “the Age of the Earth,” the first major effort to date the planet using radiometric dating.