SOME ONE PLEASE HELP ME WHICH ONE IS THE ANSWER

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a causal relation between two events exists if the occurrence of the first causes the other. the first event is called the cause and the second event is called the effect. a correlation between two variables does not imply causation.

explanation:

both the house and senate must approve of the conference report. after a bill has been approved by both the house and senate in identical form, it is sent to the president. if the president vetoes a bill, congress may attempt to “override the veto.”