The period of one rotation of the earth is known as a) the sun day
b) the moon day
c) the earth day
d) none of these

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

a gym can be classified as: physical education or, phys ed

can you make me the brainiest

the answer is blue river