A physical structure or a behavior that helps an organism to survive in its environment is

Behavior : adaptation

Explanation:

Animals adapt to environments e.g. Finding new sources of food and housing allows it to survive if environmental changes occur.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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