Answer:
chlorination
Explanation:
The use of chlorination to treat drinking water, which began in 1913, reduces the incidence of waterborne diseases.
The submucosa is composed mostly of connective tissue, nerves, and vessels, which help to nourish surrounding tissues.
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Answer:
A sonogram and lithotripsy
Explanation:
Egd.
Answer:
Explanation:
If the first body has a higher temperature than the 20°c one, then the 20°c body has been outside for longer as the average body temperature is 37°c. And if it has a lower temperature than the 20°c body, then it's been outside for a shorter time as it hasn't lost as much heat.
Answer:
Sinus cavities allow for voice resonance
They help filter and add moisture to any air that is inhaled through the nasal passages and in the removal of unwanted particles from the sinus cavities.
Sinus cavities lighten the skull.
Explanation:
Sinus infection tooth pain occurs when the fluid that builds up in the sinus cavities during a sinus infection puts pressure on your upper teeth.
