Answer:
two carbon atom and six hydrogen atoms join together to form ethane.
Explanation:
Which scientist developed the idea that microorganisms can cause diseases? Paul Ehrlich
Answer:
B12 (cobalamin): Perhaps the most well-known of all the B vitamins, B12 is vital for neurological function, DNA production and red blood cell development. B12 is found naturally in animal sources like meats, eggs, seafood and dairy.
Consumer takes energy away
Explanation is in the file
tinyurl.com/wpazsebu
