Explain why some early civilizations never adopted Bronze Age technologies, skipping instead from the Copper Age directly to the Iron Age.
What will be an ideal response?
A civilization’s setting can aff ect the development of technological processes. Regions that lacked deposits that contain the tin needed to make the alloy bronze by necessity skipped the development of bronze tools and, over time, progressed directly from the use of copper to the use of iron.
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The article “Tibiofemoral Cartilage Thickness Distribution and its Correlation with Anthropometric Variables” reports that in a sample of 11 men, the average volume of femoral cartilage (located in the knee) was 18.7 
with a standard deviation of 3.3 and the average volume in a sample of 9 women was 11.2 with a standard deviation of 2.4 
. Find a 95% confidence interval for the difference in mean femoral cartilage volume between men and women.
What will be an ideal response?
Microcrystalline cubic boron nitride would be particularly suited to which of the following grinding applications?
A) Cemented carbide grinding B) Ferritic and martensitic stainless steels C) Austenitic stainless steels D) Form grinding
Las tablas y graduaciones que eliminan muchos cálculos están disponibles en la escuadra:
a. de cabezal central. b. de edificio. c. de combinación triangular. d. de instalación de tubería.
A landscape architect may be responsible for repairing walls and fences
Indicate whether the statement is true or false