Describe an example of how organisms communicate with chemical sent

What is the problem in this article? what solution does the article propose?

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

Agroup of students want to live a healthier life style they decide to use one of these following vegetable oils for cooking apex