Word Bank: microscope, rivers, physical, space, glaciers, weathering, elements, analog, topographic map, NASA, satellite, deposition, landforms Earth's sulface and it's landforms are always changing. Scientist can use tools such as teachnology in order to photographt these changes from . The picture are then studied in order to identify changes to the land over time. The changes due to events such as the of sediment, the movement of , and courses of can be observed by viewing a series of topographic maps or satellite views that were taken over a period of time.​

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

How does natural selection change thephenotypes within a population over time?

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water