According to the international astronomical union, which of the following is one of the criteria for an object to
classified as a planet? select all that apply.
the object must orbit the earth
the object must be in orbit with objects that are larger in size and mass
the object must be large enough for gravity to shape it into a round ball
the object must have at least two moons

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