No,they can also occur in the form a tsunami.
In anthropology and geography, a culture region, culture sphere, culture area or culture area refers to a geographical area with one relatively homogeneous human activity or complex of activity (Culture). Answer A is the most likely answer.
I believe that the correct answer is B. There are many articles that talk about how workers in Mexico are getting paid these low salaries for hard factory work.
Cell D is a plant cell and Cell C is a animal cell