In Dalton's atomic theory, all matter is made up of atoms. ...

[Mr.Thesaxman]

In Dalton's atomic theory, all matter is made up of atoms.
 
  Indicate whether the statement is true or false

Question 2

Which of the following types of contamination is most detrimental to fresh water supply?
 
  A) contaminated groundwater
  B) a contaminated lake
  C) a contaminated river
  D) a point source of pollution
  E) All of the above are equally problematic.

[jennafosdick]

Answer to Question 1

TRUE

Answer to Question 2

A

[Mr.Thesaxman]

Thanks for the timely response, appreciate it

[samiel-sayed]

Gracias!