The equator because it receives equal amounts of sunlight though-out the year.
Hope this helped!!!!
Temperature, and Humidity are the two important factors of an ecosystem
Low blood pressure on the other hand can be to do with:
Exercise and how much you do of it because regular exercise keeps blood pressure low.
Eating as after you eat, blood pressure falls.<span><span>
Stress causes blood pressure to rise.
Body temperature and how high it is affects BP because if you're body temperature is high, your BP is usually low.
Hope that helps.
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Electron microscope is your answer