Wet land reduce the evaporation rate thus improve water quality.
Some changes are due to slow processes, such as erosion and weathering, and some changes are due to rapid processes, such as landslides, volcanic eruptions, and earthquakes.
The first question is D. desert
and the second answer is B. the study of land
because geography's meaning is the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries. HOPE THIS HELPS
I am pretty sure that the answer is B, but I am sorry if it is wrong!