Tides<span> are the rise and fall of sea levels caused by the combined effects of the gravitational </span>force sexerted by the Moon and the Sun and the rotation of the Earth<span>. The times and amplitude </span>of tides<span> at a locale are </span>influenced<span> by the alignment ..... South of Cape Hatteras the </span>tidal forces<span> are </span>more<span>complex, and cannot be predicted ...</span><span />
Answer:
B
Explanation:
Mutualism is a relationship between two species in which both species benefit. Certain species of bacteria in your intestines form a mutualistic relationship with you.
The medication would be the controlled variable, the factor that remains constant.
Acute diseases are sudden, severe, and short term only. They quickly appear and worsen without warning and they disappear. Examples of this are flu or colds.
Chronic diseases, on the other hand, are long-developing diseases. The symptoms have been present for long time and it worsens as time progresses. Examples of this are Osteoporosis and heart disease.