When the energy flow through an ecosystem is measured at each trophic level, of the available energy passes from one level to the next. 1% to 2% 5% to 20% 25% to 35% 36% to 45% 46% to 55%?

Which food could be transported in a galvanized metal container?

What's the waste product of electrons and pyruvate combining in fermentation?  

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users