3 its number 3 because half of our life time we still are looking for that answer but i still not sure it hope it helps
Answer:
Prehistory refers to the period of time before civilization and writing.
Since pre means "before," and history is the record of human events, prehistory refers to the time before human civilization developed and started writing things down.
Explanation:
Answer:
idealistic philosophical and social movement which developed in New England around 1836 in reaction to rationalism. Influenced by romanticism, Platonism, and Kantian philosophy, it taught that divinity pervades all nature and humanity, and its members held progressive views on feminism and communal living
ralph Waldo Emerson and Henry David thoreau
Explanation:
Serious and formal due to our lack of information about them we should stray far from making jokes which could be misinterpreted