The development of the population policies in the 20th century were due too multiple factors, the most important of which were:
- Fertility rates were starting to lower down, especially in the ''western world'' in the second half of the 20th century.
- Increased demand for labor force.
- The World Wars, especially the second one caused huge migration movements.
- Millions of people from less developed countries were trying to migrate to more developed countries in search of a better life.
Answer:
cause rocks to break and move
are older than surrounding rocks
Explanation:
Faults are form of fractures which occur in rocks as a result of variety of conditions such as mechanical and temperature changes. Faults forms cracks and leave spaces between rock parts.
They usually cause rocks to break and move and are older than surrounding rocks which validates the options
<span>The earth has four layers; the
crust, the mantle, the outer core and the inner core. The Earth’s magnetic
field is the combination from the convection it receives from the outer core
and the Coriolis Effect. The answer <u>is letter A.</u> The outer core is
composed mostly of liquid nickel and iron. It is expected to have that state of
metal because it has a higher temperature. The inner core cannot hold much of
the magnetic field because of its high temperature and high pressure that
exceeds the outer core. The temperature decreases however as the layer goes
outwards. </span>
The great wall stretches across North China from east to west for over 6,000 kilometers. It extends from the Shanghai pass<span> at the seaside in the Hebei province in the east to the Jjiayu. pass in Gansu province in the west. The </span>sites<span> of the Great Wall stretch across 15 provinces of China. that is it located in its in china..</span>
I think the correct answers from the choices listed above are the second option and the last option. <span>The amount of sunlight that reaches the earth's surface depends on the time of day and weather. Hope this answers the question. Have a nice day.</span>
