The earths ocean acts as a climate moderator oceans do this in many ways including all but one method evenly distributed distributing solar radiation absorbing and releasing solar energy absorbing huge amounts of carbon dioxide and providing moisture to the earths atmosphere which one does the ocean not do

is providing moisture to Earth's atmosphere.

Explanation:

The Earth's oceans act as a climate Moderator

The water from oceans gets evaporated which eventually provide moisture to the Earth's atmosphere. Moisture Creates humidity in the atmosphere which increases the temperature and causes greenhouse affect eventually causes global warming.