The temperature at which there is no kinetic energy in an object . is? ? asap

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering