Marine organisms preserve the current oxygen-isotope ratio in their _______________

Fill in the blank with correct word.


ANSWER: shells?

Environmental & Atmospheric Sciences

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Faced with problems associated with the law of diminishing returns, world-empires characteristically ________ in order to feed and provide for their populations

A) colonized nearby lands B) imported slave labor C) regularly invented new technologies D) promoted import substitution E) established trade relations with countries having comparative advantages

Environmental & Atmospheric Sciences

Define "map algebra" for raster data analysis.

What will be an ideal response?

Environmental & Atmospheric Sciences

In which of the following time periods were dinosaurs the dominant creatures?

A. Mesozoic B. Precambrian C. Cenozoic D. Paleozoic

Environmental & Atmospheric Sciences

Which plate contains older lithosphere, A or B? Explain how you know

What will be an ideal response?

Environmental & Atmospheric Sciences