Zusammenfassung der Ressource
Frage 1
Frage
As a percentage of weight, what elements makes up most of our bodies?
Antworten
-
Phosphorous
-
Carbon
-
Hydrogen
-
Oxygen
Frage 2
Frage
Lack of _______ leads to goiter
Antworten
-
Iodine
-
Mercury
-
Sulfur
-
Potassium
Frage 3
Frage
What chemical is added to many city water supplies that helps protect teeth?
Antworten
-
Chlorine
-
Apatite
-
Halite
-
Flourine
Frage 4
Frage
What is the second leading cause of lung cancer in the U.S.?
Antworten
-
Mercury
-
Radon
-
Sulfur Dioxide
-
Asbestos