What type of marine scientist studies the earth's ocean continents and climate?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Exactly what kind of weather conditions would a cold front produce?

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?