What environmental factor does the pyramid of energy incorporate that prevents it from inverting?
a. population size
b. species turnover rate
c. biomass at each trophic level
d. level of consumption

The correct answer is (d) level of consumption. The pyramid of energy is always upright. It cannot be inverted and the level of the consumption incorporates to this cycle to prevent the process from inverting. 

It could be anything, recent improvements in technology/telecommunication/internet have increased the pace of globalization.generally, it has something to do with technology. globalization means that people around the world are brought together through technology which speeds things up. so maybe some of those options could be correct. : )

Ithink it is b  employees