Answer: d.) The element is named after the Latin word for calcium.
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he Industrial Revolution made machine-based manufacturing more common, and increased the population and average income. Instead of farming, people came to cities to work. The millions of workers moved from farms and cottage industries to cities; which caused rising population.
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Answer:
Bipedalism freed the hands so they could be used to cart food, make and use weapons and other advantages of freed hands. Bipedalism is a much more efficient way to walk and run and this fact is quantified. Bipedalism raised the early proto-human above the horizontal so he could see predators approaching. Bipedalism is a much more efficient design to cool down overheating bodies.
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Answer:
Strong hydrologic connections among terrestrial and inland aquatic realms exist in both river floodplains and dryland ecosystems. In the evolution of river floodplains terrestrial vegetation diversifies inland aquatic habitats, providing a range of colonization options for different organisms
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