C D Which of the following local environmental changes will not have global effects?
a. decline of glacial ice in Russia
b. an increase in the annual melt season in the Antarctic peninsula
C. the early arrival of spring in New Hampshire
d. none of the above

Which sequence correctly shows the path of carbon dioxide during repiration?

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules