What two European cities became linked by telegraph cable in 1851: A) London and San Francisco B) Edinburgh and London C) New York and Paris D) London and Paris

a.) d-day invasion of normandy.

hope this !

i am sure the answer is d

b) new machinery hope i

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: