This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the approximate fluoride concentration in community water supplies? a. 1 ppm b. 2 ppm c. ... (Read 100 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Aug 21, 2018
What is the approximate fluoride concentration in community water supplies?
 a. 1 ppm b. 2 ppm
  c. 2.5 ppm d. 4 ppm

Question 2

Which of the following is characterized by persistent inflammation and excessive secretions of mucus in the main airways of the lungs?
 a. Asthma b. Chronic bronchitis
  c. Emphysema d. Pneumonia


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fraziera112

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Aug 21, 2018
Answer to Question 1

a

Answer to Question 2

b


captainjonesify

  • Member
  • Posts: 543
Reply 2 on: Aug 21, 2018
Excellent

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Spanish Water Dog Spanish Water Dog
Community colleges have opened higher education to millions of students who would not otherwise have ... Community colleges have opened higher education to millions of students who would not otherwise have ...
A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ... A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ...
Shallow-water systems are highly productive Shallow-water systems are highly productive
Two Zebras Drinking Water Two Zebras Drinking Water
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ... A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...
Video: Allergic Rhinitis

For a complete list of videos, visit our video library