Answer:
if you link into the demographic transition model(don't know if you have heard of it but ) the birth rates are much lower in developed countries but also think about how useful theses countries are t the rest of the world - japan export many equipment , cars, electronics - Toyota etc., the US have the biggest silicon valley used for electronic - apple and other tech companies use them - think of it that way
Explanation:
Answer:
n=14
Explanation:
These ratios can also be written this way:

cross multiply and you get:
7x18=9n
126=9n
n=14
Answer:
Explanation:
Agricultural growth is vital in an economy. An economy runs off people producing things. Water is vital for land in order to grow things. Farming is harder in deserts. No food, no people. There is a reason there are more cities near rivers and coasts than in deserts. Due to scarcity of water, economic growth is more challenging. Exceptional cases such as Las Vegas have a steady water supply from the Hoover Dam.