Biology, asked by mashalafzal6, 9 months ago

________ ion concentration plays an important role in metabolic activities of living
systems.
a) Carbon b) Hydrogen
c) Nitrogen d) Oxygen
plz ans

Answers

Answered by trinetra875

1

d.oxygen is the answer

Answered by glory07

1

Answer:

Oxygen,

Explanation:

It undergoes oxidation to produce energy and heat

Previous Question

Next Question

Similar questions

Math, 4 months ago

13. Simplify:- 950+97+150+13+88.

Science, 4 months ago

what is biotic and abiotic components? give example. plz answer this question.... ... plz answe...

Science, 4 months ago

value based questions...

Science, 9 months ago

Identify me . I am the vessel which carries blood away from the heart to varries organs of the body.

Geography, 9 months ago

what are natural resource ? give some examples.

Chemistry, 1 year ago

5. What is acid rain?

Math, 1 year ago

A cylindrical piece of steel, which is 30mm long and has a raduis of 6mm, has a square hole right through it in its length. The hole is in the centre of the rod. The sides of the square are each 5mm. Calculate the volume of metal that this this small object contains...

English, 1 year ago

write a short note on development versus environment...