PDF chapter test TRY NOW

Find the answer for the question: Who am I?
(Note: write only one letter in each box.)
 
1. I help in the process of chemical change. The formation of dough is made with the help of me through the fermentation process. I am a microbe. Who am I?
   iiiiiiii
 
2. I provide essential nutrient to the soil. I am prepared synthetically in industries. I provide fast result compared to the other. Who am I?
   iiiiiiiii  iiiiiiiiiii