Xylem carries water and dissolved nutrients
Carbohydrates are sugars or starches and the sugar gives you energy and lipids are fats and you get most of your energy from this.
Answer:
Option (3).
Explanation:
The homeostasis of the body is maintained by the feed back loop system. Two main types of the feedback loop system of the body are positive feedback system and negative feedback system.
Positive feedback system may be defined as the feedback in which the final product increases the output of that product. Pepsinogen is an zymogen that helps in the activation of pepsin enzyme. This enzyme helps in the digestion of protein. The digestion of pepsinogen by pepsin result in the more production of pepsin.
Thus, the correct answer is option (3).
Dogs live up to 10 to 13 years
The answer will be Lithosphere
