Which of the following is carried out by denitrifying bacteria? O A. break down large, nitrogen-rich molecules to simple molecules
O
B. build large, nitrogen-rich molecules from simple molecules
O C. convert biologically useful nitrogen to gaseous nitrogen
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O D. convert gaseous nitrogen to biologically useful nitrogen

the answer to this predicament is false, by friend, i had this on a quiz, and i got it wrong, so i learned it, cos i was gonna have it on a test, and i got it right

option number one would be youre best option

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

satellites are frequently used to make observations of the orbit on earth