The ring of fire contains most of the active and dormant volcanoes due to of the continental and oceanic plates. abduction sea floor spreading subduction hot spots

  like australopithecus afarensis; probably the direct ancestor of this group. africa: 5.8 to 4.4 million years ago. 

The answer would be semen as a whole but the cells contained are called sperm and they fertilize the eggi hope this

Mars and earth have quite a few things in common. both are  terrestrial planets, both are located within the sun’s  habitable zone, both have  polar ice caps, similarly  tilted axes, and similar  variations in temperature. and according to some of the latest scientific data obtained by rovers and atmospheric probes, it is now known that mars once had a  dense atmosphere  and was covered with  warm, flowing water.