Social Studies, 02.01.2020 20:31, formulabmath
Time between civilizations. suppose that there are 100 billion stars in the milky way galaxy, that 1 in 1 million stars gets a civilization at some point, and that these civilizations have arisen at random times over the past 5 billion years. on average, how much time separates the rise of one civilization in the galaxy from the rise of the next? based on your answer, should we expect to make radio contact with another civilization that is either at or below our own current level of technological development?
Answers: 3
Social Studies, 22.06.2019 18:50, Kingoftycoons3271
Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction
Answers: 1
Social Studies, 22.06.2019 22:00, zuleromanos
How can the judiciary balance individual rights with the common good?
Answers: 1
Social Studies, 23.06.2019 09:30, emmanuelmashao6704
Which of the following situations best demonstrates the principle of separation of powers in the u. s. government? a. the president can veto laws passed by the legislature. b. the courts must approve constitutional amendments. c. states create their own educational policies. d. members of the legislature are elected by voters.
Answers: 1
Time between civilizations. suppose that there are 100 billion stars in the milky way galaxy, that 1...
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