Wave pulses that occur at the same frequency and at the same phase will have crests that overlap (line-up). these crests combine to form a more intense wave. this is known as constructive interference. which set or sets of waves will result in constructive interference?

d - failures.

the only attempted british colony in north america before 1600 was roanoke, virginia, which was a total failure. england claimed several areas, including newfoundland, but made no sustainable attempts to colonize them before 1600.

answer; the above statement is (false);

answer; ///was   constructed according to a mathematical formula;