Is dinosaurs died out when they could not adapt cto the changing climate an observation or inference.

Inference

Explanation:

An observation is a conclusion drawn based on your five senses or what you can see hear touch etc. Inference is a conclusion through evidence, reasoning etc.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.