(a) Air
(b) Derive form sea water
(c) Use CO2 which is produced during their respiration only
(d) Do not require CO2 at all
Answer: (b) Derive form sea water
Explanation: (b)
(a) Air
(b) Derive form sea water
(c) Use CO2 which is produced during their respiration only
(d) Do not require CO2 at all
Answer: (b) Derive form sea water
Explanation: (b)
Call us directly?
Address
Not a member yet? Register now
Are you a member? Login now