Amaterial that can be represented by a chemical formula is?

is called echinoderms

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .