What would happen to the flow of energy in the food web if the cod population were removed?

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?