Read the following statements.
i. 51% of carbon is found dissolved in oceans.
ii. The oceanic reservoir regulates the amount of carbon dioxide in the atmosphere.
iii. Some amount of the fixed carbon is lost to sediments and removed from circulation.
iv. Carbon constitutes 59% of the dry weight of an organism and it is next only to water.

• A

  i and ii are true but iii and iv are false.

• B

  i and iii are true but ii and iv are false.

• C

  ii and iii are true but i and iv are false.

• D

  i and iv are correct but ii and iii are false.