C. all systems work together to maintain homeostasis.
<span>an organism is a collection of Organ systems each of which must work in unison for proper function. This is why an infection in one organ often causes complications in another.</span>
Answer:
All of the above
Explanation:
Americans rationed goods at home in order to provide more food for the soldiers in the war. Americans also worked in factories that produced many of the goods needed in the war (like guns, ammunition, etc). Americans also bought war bonds to give more money to the army.
Healthy soils produce healthy crops that in turn nourish people and animals. Soils supply the essential nutrients, water, oxygen and root support that our food-producing plants need to grow and flourish. They also serve as a buffer to protect delicate plant roots from drastic fluctuations in temperature.
The correct answer is option C, A land slide
The very common cause of landslide is the loosening of soils due to the human interventions and activities of construction, grazing or deforestation.
All these processes loosens the soil and thus make the mountains susceptible to land slide events.
Since all these events are caused by a biotic agent i.e human being it is called biotic ecosystem change