12w

Quiz

1. 1) What is the pH value of the human body?

   9.2 to 9.8
   7.0 to 7.8
   6.1 to 6.3
   5.4 to 5.6
   

   Correct answer: 7.0 to 7.8

2. 2) Which of the following are called "Key Industrial animals"?

   Producers
   Tertiary consumers
   Primary consumers
   None of these
   

   Correct answer: None of these