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.
Answer: Benjamin Franklin
Explanation: Give me the brainliest
Answer:
Farming
Explanation: farming was the kind of thing that everybody would do
Germany needed weapons for the war so they employed more and more people. At one point in time they even employed Children, when the war was becoming troublesome for them. They would also have labor camps where prisoners would have to work and make things for Germans, but they were more concentration camps than labor camps and those who couldn't work were executed. It was overseen by the government.
Answer: Native Americans
Explanation: it is believed they came across a piece of land that once connected alaska to russia.
