Answer-Event (A): Scientists have discovered the oldest orchid fossil trapped in amber that dates back some...

Event A describes a specific discovery an orchid fossil that is between 45 and 55 million years old. This discovery is the cause. Event B describes the logical consequence or impact of that discovery because the new fossil is significantly older than the previous record 20-30 million years, the act of finding it is what shatters the old record. Therefore, Event B is the effect of the discovery described in Event A. Hence, Event A is the cause and Event B is its effect.

Question

Event (

A : Scientists have discovered the oldest orchid fossil trapped in amber that dates back some 45 million years to 55 million years Event (
B : The finding shatters the previous record for an orchid fossil found in Dominican amber about 20-30 million years old.