How do decomposers make sure that there are always enough minerals and other nutrients in an ecosystem?

Below is a digram of a hypothetical bill. which of the following must be the missing legislative step in the diagram?

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

Cooperation among oligopolies runs counter to the public interest because it leads to underproduction and high prices. in an effort to bring resource allocation closer to the social optimum, public officials attempt to force oligopolies to compete instead of cooperating. consider the following scenario: suppose that the presidents of two auto manufacturing companies exchange text messages in which they discuss jointly raising prices on their new lines of hybrid suvs. this illegal communication would violate which of the following laws? the sherman antitrust act of 1890 the robinson–patman act of 1936 the celler–kefauver act of 1950 the clayton act of 1914