Family planning is often
a.
expensive in some countries, even though it is inexpensive in others
b.
cost-effective as it saves more money than it costs
c.
relatively cost-ineffective as it costs little more than it saves
d.
prohibitively expensive
e.
cost-free

Suggest two reasons why irrigation is important for human development of the desert

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

Select the correct answer. look at this nineteenth-century illustration of london. which explanation best relates this illustration to changes in britain in the 1800s? a. factory workers in cities lost their livelihood because of the lack of housingb. industrialization narrowed the inccome gap between landowners and workers. c.the migration of workers from rural to urban areas resulted in overcrowded citiesd. the spread of railways allowed farmers to sell produce far from where it was grown.