Question #3: * 1 point
3. In which group are the spheres of Earth listed in
order of increasing density? (1) atmosphere, hydro-
sphere, lithosphere (2) hydrosphere, lithosphere,
atmosphere (3) lithosphere, hydrosphere, atmos-
phere (4) lithosphere, atmosphere, hydrosphere
Option 1
Option 2
Option 3
Option 4

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f