Match the description i need and dont know how to do

Now, I'm not 100% sure about 2 of my answers but I did my best!

1. is "question with answer"

2. echo

3. question without answer

4. double transition

5. quotation

there’s no image attached but i can if you want: )

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.