Answer:
researchers can use that decay as a kind of clock that allows them to peer into the past and determine absolute dates for everything from wood to food, pollen, poop, and even dead animals and humans.
Explanation:
You will learn about the effects of the Industrial Revolution on living and working conditions, urbanization (the growth of cities), child labor, public health, working class family life, the role of women, the emerging middle class, and economic growth and income.
The Portuguese I have nothing else to say unfortunately