Answer:
As the uranium in rocks decays, it emits subatomic particles and turns into lead at a constant rate. Measuring the uranium-to-lead ratios in the oldest rocks on Earth gave scientists an estimated age of the planet of 4.6 billion years.
Simple Geology really.
Answer:
they made a homless shelter
Explanation:
they tried to help those by making a homless shelter
Answer:
D. The best land is owned by the wealthiest families.
Explanation:
There is only one America...