You perform a classic cell sorting experiment using cells from a developing xenopus embryo. one set of cells in your experiment are derived presumptive epidermal cells the other are presumptive neural plate cells. what do you expect the arrangement of the cells to be at the end of the experiment?

the index of refraction of the second medium is higher. i just took the test trust me !

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).