Over time, the evaporation of water into the atmosphere increases ...

[lbcchick]

Over time, the evaporation of water into the atmosphere increases the concentration of nutrients until
  the ___________________ _, or mineral content, of the water is high.

 
  Fill in the blank(s) with the appropriate word(s).

Question 2

A simple method for estimating pond turbidity makes use of a white ___________________ _ that is
  lowered into the water.

 
  Fill in the blank(s) with the appropriate word(s).

[potomatos]

Answer to Question 1

ANS: salinity

Answer to Question 2

ANS: Secchi disc

[lbcchick]

Great answer, keep it coming

[bimper21]

Thanks for the timely response, appreciate it