Which statement best describes how the temperature of the oceans surface water varies

areas with high density have the warmest water
areas at high latitudes have the coldest water
areas close to the poles have the warmest water
areas with low salinity have the coldest water

areas at high latitudes have the coldest water

The top layer of the ocean water is called as surface layer. The temperature of the surface water varies mainly with the latitude. The high latitude like Polar Seas remains cool hence, the water is cold, whereas the low latitude like Persian Gulf remains warm, hence, the water remains warm.

is this for the e2020 class

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.