What are spring tides?

A) larger than usual tides that occur during a full or new moon

B) tides that occur when the distance between high and low tides is least

C) tides caused by the seasons, not gravity

D) tides that occur during the spring months

(I think that it is A. can someone confirm?)

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms