What was the evolutionary advantage of having a mineralized skeleton?
It allowed organisms to successfully occupy a wider variety of marine habitats.
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During an equinox, the days and nights are of equal length except at the poles. Indicate whether the statement is true or false
Discuss the environmental degradation and poverty that is prevalent in Haiti. Be certain to emphasize the historical factors that have led to this situation in the country
What will be an ideal response?
If a neutral element has the following chemical notation, how many electrons does it have?fluorine-19
A. 10 B. 11 C. 9 D. 19 E. none of the above
Which of the following is not true about the changing distribution of U.S. steel production?
A) Minimills have become widespread. B) Minimills have scrap metal inputs, and this allows them to be located near their market. C) Steel production has moved to locations abundant in heavy iron ore and coal. D) Minimills are generally limited to one step in the process. E) Proximity to market began to become more important than the traditional situation factor of proximity to inputs.