Answer to Question 1
This probably occurred because of the cost of transportation, which was greater
for steel cans, and because steel cans changed the taste of beer (and presumably other
drinks, though it was less obvious). The beer bottlers adopted aluminum cans and because
of economies of scale, other bottlers did as well.
Answer to Question 2
The residue, if left in place, can contribute to soil fertility. Retention of organic
matter enhances subsequent productivity. Removal of all ground cover, characteristic of
clearcutting, can have adverse effects on the soil and hinder reestablishment of the local
ecosystem.
The Z scheme, which depicts the energy of an electron as it moves from photosystem II to NADP+
Metabolic pathways involved in lipolysis, the breakdown of fats (triglycerides) for energy.
A) Thumb press across top of shoulder. (B) Repeated pressing to GB-21 to disperse energy; massage ...
China has relied on cheap coal to meet its demand for energy
Energy Metabolism During anaerobic metabolism
The leptin–melanocortin pathway of energy balance