At night plants take in X and animals take in Y, during breathing. Select the option that correctly identifies X and Y.
| X | Y | |
| A | Oxygen | Oxygen |
| B | Carbon dioxide | Carbon dioxide |
| C | Carbon dioxide | Oxygen |
| D | Oxygen | Carbon dioxide |
It was a little tricky .
At night plants take in X and animals take in Y, during breathing. Select the option that correctly identifies X and Y.
| X | Y | |
| A | Oxygen | Oxygen |
| B | Carbon dioxide | Carbon dioxide |
| C | Carbon dioxide | Oxygen |
| D | Oxygen | Carbon dioxide |