Sedimentary rocks are turned into metamorphic rocks by . A. chemical changes and heating-cooling cycles
B. calcification of minerals over long periods of time
C. the expansion of crystals when inside magma flows
D. extreme temperatures and pressures

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

2. how is heavy water different from normal water

Why is the melting of ice a physical change ?