Read the passage. Scientists long believed that the discovery of a mummy in the Alps, known as Ötzi the Iceman, provided information on how humans lived 5,300 years ago. More recently, scientists used DNA analysis to discover that Ötzi and modern-day humans have DNA markers in common.

How did the study of Ötzi’s DNA change the way scientists viewed the development of modern humans?

They learned that Ötzi the Iceman was a close relative of today’s humans.
They learned that early humans developed differently and died off from the cold.
They learned that the DNA found in early humans can be found in today’s humans.
They learned that the DNA of early humans was much older than they originally believed.

answer: "life, liberty and the pursuit of happiness" is a well-known phrase in the united states declaration of independence. the phrase gives three examples of the "unalienable rights" which the declaration says have been given to all humans by their creator, and which governments are created to protect.

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because other regions has other things that egypt doesnt have.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

answer: in 1900, there were no "workplace safety laws"!

explanation: at the beginning of this century, workers in the united states faced remarkably high health and safety risks on the job.

a century ago in 1900 about three hundred out of every one hundred thousand miners were killed on the job each year.

[industria] developments occurred within a legal and regulatory climate that diminished employer’s interest in safety. as a result, americans developed production methods that were both highly productive and often very dangerous.