What are two natural processes in which ammonia is created? A. nitrogen fixation and nitrification
B. denitrification and ammonification
C. nitrification and denitrification
D. nitrogen fixation and ammonification

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

How have the greenhouse gasses increased from the year 2000 to 2018