Causes people have respiratory diseases
causes people have eye problems since dust foes into eyes
causes people to die
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Why humans left their African homeland 80000 years ago to colonize the world. When the migration was complete, Homo sapiens was the last—and When the study of human origins intensified in the 20th century, two main theories emerged to explain the archaeological explanation. Blombos Cave held signs of early human creativity. The currently favored theory is that humans migrated via the Bering land bridge along the western Pacific coastline at a time when sea levels were lower, exposing an ice-free coastline for travel with the possibility for transport over water. Ancient scroll from SAPIENS. In a study published today in Nature, researchers report that dramatic climate fluctuations created favorable environmental conditions that triggered periodic waves of human migration out of Africa every 20,000 years or so, beginning just over 100,000 years ago.
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Was an author, a woman's suffrage and Prohibition activist, and the longest-serving secretary of State of Texas.
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The test result would accept the alternate hypothesis stating that 'More than 10% of the students enrolled in an introductory Chemistry class dropped before the midterm'.
Explanation:
In this case, the null and alternate hypothesis would be:
Null Hypothesis: Less than or equal to 10% of the students enrolled in an introductory Chemistry class dropped before the midterm.
Alternate Hypothesis: More than 10% of the students enrolled in an introductory Chemistry class dropped before the midterm.
A Type I error is when a true null hypothesis is rejected by mistake or due to an error. This means that it is true that 'Less than or equal to 10% of the students enrolled in an introductory Chemistry class dropped before the midterm' but this is rejected due to an error or mistake. Hence, the alternate hypothesis will be found as the result of the test due to the error.
