What is the study of people their location and distribution over the earth their activities and their differences

How do oceanographers measure the salinity of ocean water?

Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island