Question

write 1 appropriate word for the statement given below and briefly explain them 1.The process by which carbon is incorporated into life forms 2.The process by which nitrates are converted to free nitrogen 3.The cyclic flow of nutrient like nitrogen and oxygen between non-living environment living organism

Answer 1

Ans1⇒Combustion&Respiration.During combustion the oxygen reacts with nitrogen & releases carbondioxide.
During respiration,we inhale oxygen and exhale carbondioxide

Answer 2

Ans 3- nitrogen cycle and oxygen cycle.