Which sphere of the earth protects us from the harmful rays of the sun? Select one:

Geosphere.

Hydrosphere.

Atmosphere.

Biosphere.

When you imagine how you'll get from your house to the store, you are a. mental projection b. mental map c. piagetian projection d. cognitive load

Which of the following is an example of relocation diffusion

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare