Answer:
I dont know the question of what your trying to ask explain with more detail
Explanation:
Answer:
A. resulting from the activity of living organisms, as fermentation.
Explanation:
Biogenic means produced by living organisms.
Hope this helps. :)
Well I can't see the letter however there is many things that need to be done before sending a letter. Like signing it or writing who it's getting sent too. Those are the two biggest things to look at before sending a letter. Spelling errors as well, depending on who the letter is being sent to.
The passage gives a brief overview of the history of mad cow disease. It details when and how it started, the spread of the disease, and the efforts taken to eradicate it.
