Answer:
Arteries and veins
Explanation:
Xylem and phloem ,vein and arteries both carry nutrient and mineral in the plant and animal.
Answer:
The correct answer would be, Egocentrism.
Explanation:
Adolescents are the teenagers between the age of 13 years to 19 years, who are still in their early, middle or late childhood. This is the age in which many physiological and psychological changes take place in a person's life.
Adolescent Egocentrism is a concept given by David Elkind who is a child psychologist and has written many books. He is still alive at an age of 88 years. According to his concept of Adolescent Egocentrism, young teens feel that they are the center of attention for everyone, everybody is looking at them, watching them, observing them, thus thinking themselves the attention and attraction point for all the people around them.
Answer:
How societies use scarce resources to produce valuabe commodities
