The archaeologists need to know about the rain patters in the period and place where the Maya existed because the rain was crucial about the growth and well being of the crops that this civilization used. A longer drought than usual can make a huge problem with starvation, and that can be a key reason for the fall of one of the greatest civilizations in the Americas.
''The Maya world probably had too many people'' refers to the food supplies available and their reserves, and the amount of people that were using them, so it is thought that the Maya had too many people that produced and used limited amount of food, so their reserves were very low and would have lasted for a very short term period of time.
Answer:
The world's urban population in the 1930s was about 20%, and by the 1970s, it had grown to about 35%.
Explanation:
This phenomenon is known as urbanization, and consists in the increasing of the proportion of people who live in cities vs the proportion of the people who live in the countryside.
This is relevant because throughout history, the vast majority of people lived in the countryside as farmers, but when the industrial revolution started in the late 18th century, industry, and later services, began to slowly replace agriculture as the main economic activity of the world, and people began to move to cities to work in industry first, and later on, in the services.
I think the answer to your question is c. deforestation causes a decline in atmospheric
oxygen because evapotranspiration means the process by which water is transferred
from the land to the atmosphere by evaporation from the soil and other surfaces by transpiration from plants.
NASA has proposed its plan to design and use the objects like a redesigned space probe to land four astronauts to Mars at a time in the near future.
<h3>Which objects are planned to be used by NASA?</h3>
NASA or National Aeronautics and Space Administration is the national space organizations of the United States of America, and one of the most successful space organization in the world.
It has proposed its plans to regarding the development of objects like the redesigned space probe by designing and using it in such a way that four astronauts can land on Mars at a time using this object. Pls refer to the attached image.
Hence, option B; NASA has planned to use objects like redesigned space probe to land four astronauts to Mars.
Learn more about NASA here:
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