3. The two main driving forces of the water cycle are the Sun and... 1 gravity
2 wind
3 volcanoes
4 rain

Different isotopes indicate that an element will have different numbers of

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.