Answer:
<h3>The correct answer is A.</h3>
Explanation:
<h3>Becuase there was always a large labor force for the agricultural industry so this has not been a major development over the past 50 years.</h3>
Answer:
Because, a natural hazard is a threat of a naturally occurring event will have a negative effect on humans.
Explanation:
The least developed nations tend to have lower levels of industrial activity, resulting in lower levels of environmental damage. The most developed countries have found ways of improving technology and energy efficiency to reduce their environmental impact while retaining high levels of production
Cooled quickly, because lava cools and crystallizes rapidly
