Many scientists consider climate change to be one of the most ...

[Themember4]

Many scientists consider climate change to be one of the most critical issues facing humankind in the twenty-first century.
 
  Indicate whether the statement is true or false

Question 2

Given the pH scale is logarithmic where each whole number represents a tenfold increase, a rain with a pH of 3 is how many times more acidic than rain with a pH of 7?
 
  A) 3
  B) 4
  C) 100
  D) 10,000
  E) 1,000,000,000

[jesse.fleming]

Answer to Question 1

TRUE

Answer to Question 2

D