The trophic pyramid, from base to top, is ________. The amount of ...

[SO00]

The trophic pyramid, from base to top, is ________. The amount of energy that is transferred from one level to the next is ________.
 a. primary producers, primary consumers, consumers, top consumers; 50
 b. top consumers, consumers, primary consumers; primary producers; 50
 c. top consumers, consumers, primary consumers; primary producers; 10
 d. primary producers, primary consumers, consumers, top consumers; 10

Question 2

When carbon dioxide dissolves in deep water, the water becomes slightly more acidic and its pH is lower.
  Indicate whether the statement is true or false

[dellikani2015]

Answer to Question 1

d

Answer to Question 2

true

[SO00]

TYSM

[xiazhe]

Excellent