One reason birth and fertility rates in more-developed countries tend to be lower is that

a.
pollution has drastically decreased fertility in these countries

b.
infant mortality is higher

c.
the cost of raising and educating children is much higher

d.
marriage is much less common

e.
all of these countries have restrictions on the number of children a couple can have

heat released by collision processes during accretion, and heat from decay of radioactive elements

explanation:

i only have few minutes according to the map above, which shows religious cultural regions, what two religions are most commonly practiced in africa? a. christianity and buddhism b. buddhism and hinduism c. islam and christianity d. hinduism and islam

identify consequences of international trade.

identify consequences of international trade.