Oceanic Hydorsphere in order from top (surface of the ocean) to the bottom ( ocean floor)

Answer steam fog;

Mexico has a host of environmental problems, including significant chemicalpollution  from factory discharges and waste dumping, but the main threat to itsbiodiversity  probably stems from  deforestation  and other natural habitat losses. forest habitat is lost for a number of reasons

2pi more meters because you find the circumference which is 6pi and 4pi and subtract it and you get 2pi

Terrestrial planets will likely be located nearer the planetary systems star than any jovian planets