Which are primary nitrogen-fixing organisms in the ocean?

a. Archaea
b. Eukarya
c. Cyanobacteria
d. Dinoflagellates
e. Copepod


c

Environmental & Atmospheric Sciences

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Basketball is unquestionably Europe's national sport

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Responsible stewardship in the coming decades will require global energy policies that promote ________

A) productivity and economic prosperity in developing nations B) both sustainability and technological efficiency C) exploration for petroleum reserves in deeper areas of the oceans than were previously technologically possible D) the development of abundant and inexpensive fossil fuels such as shale gas E) additional exploration of shale oil and natural gas resources

Environmental & Atmospheric Sciences

Refugees and internally displaced persons (IDP) originate from what countries?

A) Somalia, Mali, Sudan B) Somalia, Sudan, Niger C) Sudan, Mali, Ghana D) all of the above E) none of the above

Environmental & Atmospheric Sciences

Which of the following is NOT true about tides?

(a) They are produced solely by the gravitational pull of the sun. (b) They are complex daily oscillations in sea level. (c) They are influenced by the size, depth, and topography of ocean basins. (d) They are influenced by shoreline configuration and latitude.

Environmental & Atmospheric Sciences