Gas cloud 1 is likely to form a star. Gas cloud 2 is not. Based on this information, match the glven conditions with each cloud. Its temperature stays well below 14 million Kelvin. Its volume shrinks and density increases due to gravity. Its temperature surpasses 14 million Kelvin. It is spread out, with a greater volume and lesser concentration of elements. Its hydrogen atoms shed their electrons. Its hydrogen atoms retain their electrons. gas cloud 1 gas cloud 2

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?