Answer:
Lactic acid
Explanation:
Fermentation may be defined as the breakdown of glucose molecule in the limited supply of oxygen with the help of microorganisms.
Pyruvate molecules and electrons waste product combine together in fermentation to yield lactic acid and two molecules of ATP. The transfer of electron from NADH to pyruvate molecule generates the lactic acid.
Thus, the correct answer is option (D).
Answer:
to study earth's past climate
Well, I dont think they had model numbers back then but I will look on the web for what microscopes where used. I found something but it doesnt say anything about a model of microscope! Here is the fact. <span>The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead </span>cell walls of plant cells (cork) as it appeared under the microscope. This was taken from google, I hope this helps? Here is the link : http://bitesizebio.com/166/history-of-cell-biology/
Trophic levels are the steps in between which the transfer and loss of energy occur.
The correct answer is industry. An industry is the first alternation of natural resources as the industry utilizes the artificial sources or man made materials for production of energy, utility products and services. The industry can reduce the dependency on natural resources and can lead to their sustainable use for the present as well as for future generation