Sarah recently learned that o2 is found in the earth’s water bodies. she was amazed to know the proportion of o2 found in the ocean differs based on the water temperature. what fact did she find out? sarah recently learned that o2 is found in the earth’s water bodies. she was amazed to know the proportion of o2 found in the ocean differs based on the water temperature. she found out that parts of the oceans have a higher quantity of dissolved o2, whereas parts of the ocean have a lesser quantity of it.