Question

1.Fill in the blanks
i. For welding metals the gases used are ______ and _______ or _______

ii. The amount of water vapour in the air is called ________

iii. During photosynthesis _______ gas is used up and ______ gas is formed

2. Give answer in one word

QUESTION: The process of manufacturing ammonia from nitrogen gas

please give right answer

Right answer will be mark as brainlist ☺️​​

Answer 1

Answer:

1.

i. argon and carbon dioxide or helium

ii. humidity

iii. carbon dioxide , oxygen

2. ammonification