Why are rocks from space used to verify Earth's age?

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.

there are a number of different ideologies that come into conflict with regard to immigrants and immigration to the us.

your answer will be b. improving roads, bridges, and other infrastructure. hope i !