Answer:
a el nino happened in the Pacific so that would have to be the answer
This is due to the change from winter to summer solstice
I believe the answer you are looking for here is 'Earth Science'? Theb asic logic behind the Earth is well, the EARTH. The Ocean is a part of the Earth, and the study of oceanography would include earth science.
D. Seed-tree cutting
This approach is utilized for restoring trees, which develop well in direct sunlight, like pine trees. It maintains the forest in a state of mid to late succession.