Productivity in the summer in the polar regions is:
a. high, due to abundant sunshine and nutrient-rich waters

b. high, due to abundant sunshine, warm temperatures, and clear waters.
c. average, due to abundant sunshine and clear waters.
d. low, due to a lack of nutrients.


a

Environmental & Atmospheric Sciences

You might also like to view...

What happens at a convergent plate tectonic boundary?

A. Subduction B. Hot spot volcanism C. Seafloor spreading D. Transform faulting

Environmental & Atmospheric Sciences

An important agricultural hearth is

A) southeast Asia. B) south and central America. C) sub-Saharan Africa. D) northern China. E) All of these are important agricultural hearths.

Environmental & Atmospheric Sciences

A boundary dispute in which there are no land boundaries concerns

A. North and South Korea B. Mongolia and China C. China and Russia D. The Spratley Islands

Environmental & Atmospheric Sciences

The influx of high-energy radiation and tiny particles varies as the Sun's intensity changes or when a ________ occurs, which is a stellar explosion at astronomically close distances.

A. solar eclipse B. quasar C. pulsar D. supernova

Environmental & Atmospheric Sciences