Answer:
Fertilizer is added to soils to increase plant productivity. A common type of fertilizer is called NPK fertilizer because of its ingredients: nitrogen (N), phosphorus (P), and potassium (K).
Explanation:
In much of a digestive tract such as the human gastrointestinal tract, smooth muscle tissue contracts in sequence to produce a peristaltic wave, which propels a ball of food (called a bolus while in the esophagus and upper gastrointestinal tract and chyme in the stomach) along the tract.
I think the correct answer from the choices listed above is the last option. Some gaming marketers focus on <span>people in their 20s </span>of the population. Because they encourage these group to chill at times or rest after all the work done in a day. Hope this answers the question.
There would be 40 units of energy left, because 10% is lost each time.
