Which of the following sentence is a result of natural erosion? a. desert sands b. lost seed germination c. widened valleys d. all of the above

When geographers describe how two places are related to each other spatially, they are describing a. where the places are located in relation to one another b. what kinds of natural environments are around each place c. how each place is changing over time d. what kinds of cultures are in each place

How can minerals crystallize from materials dissolved in water? check all that apply.

Find the area of the shaded region.