Stratigraphy is a method to determine the relative age of rock strata true or false

If a swimmer is traveling at a constant speed of 0.85 m/s,how long would it take to swim the length of a 50m olympic sized pool?

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In what way was family life impacted by industrialization? a. there was a rise in the middle class. b. there was a decrease in the birth rate. c. women were not allowed to work in factories. d. families relied on farming for food supplies.