Question

18. The most important feature of all living systems
is to:
(a) utilise oxygen to generate energy.
(6) replicate the genetic information.
(C) produce gametes.
(d) utilise solar energy for metabolic activities.
​

Answer 1

Answer:

a utilise oxygen to generate energy

Answer 2

heyy mate Ur answer is here....

utilize oxygen to generate energy....

. Explanation: oxygen is our most important need because without oxygen we can't live. another all activities are possible when we are alive and oxygen can do it.

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