C. Cellular dysfunction
I took the test
Oxygen gas contributes to the green house effect
A !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The correct answer is option A
Phloem is a vascular tissue which helps in the transportation of sugars from the source tissue( where it is formed). The carbohydrates or sugars are transported from the chloroplast of the plant to the other parts of the plant. Other molecules along with carbohydrates are also transported with the help of phloem.
