The invention of climate control technologies like
evaporative cooling and air conditioning
have allowed humans to survive in a climate with an average daily temperature of 90 degrees.
What happen in Mexico City in 1629?
What happened in Mexico City in 1629? …
The city was destroyed by a great fire
.
What are three technologies that have allowed humans to survive and thrive in the nile river valley?
Humans have survived and thrived in the Nile River Valley by using technology to alter the Nile River to meet their needs. Humans have used
flood protection technologies like levees, embankments, canals, and aqueducts
to control and divert the flow of water.
Which if the following diseases is spread by mosquitoes and most often found in tropical urban areas?
Dengue infections
are often found in the urban areas of tropical nations.
What is one drawback of desalination?
Desalination is not a perfected technology, and
desalinated water can be harmful to human health
as well. By-products of the chemicals used in desalination can get through into the “pure” water and endanger the people who drink it. Desalinated water can also be acidic to both pipes and digestive systems.
Which of the following best describes the difference between horticultural and agricultural societies?
Which of the following statements best describes the difference between horticultural and agricultural societies? …
Horticulture used primitive tools, while agriculture used more advanced technology
.
Is Mexico City sinking?
Uneven drops of as much as 20′′
at different parts of the city present a huge issue for bridges, sewer pipes and other infrastructure. With over 21.6 million people, the infrastructure of Mexico City faces a daily strain that is both immense and unique.
Why did Mexico City grow so fast?
The main source of Mexico City’s rapid growth in the second half of the 21st century is
due to domestic migration
. … Most of this migration was caused by Mexicans from rural areas coming into the city seeking better jobs, education, and a higher standard of living.
What did Mexico City used to be?
The city now known as Mexico City was founded as
Mexico Tenochtitlan
in 1325 and a century later became the dominant city-state of the Aztec Triple Alliance, formed in 1430 and composed of Tenochtitlan, Texcoco, and Tlacopan.
Is malaria a virus?
A:
Malaria is not caused by a virus or bacteria
. Malaria is caused by a parasite known as Plasmodium, which is normally spread through infected mosquitoes. A mosquito takes a blood meal from an infected human, taking in Plasmodia which are in the blood.
Is dengue transmitted by kissing?
Dengue does not spread by kissing
. Dengue is transmitted only by mosquito bite. Dengue fever cannot be transmitted by coughing, sneezing or touch. It is not contagious and does not spread by kissing.
Is dengue a infectious disease?
Dengue fever is a disease caused by the
dengue virus
which is transmitted to humans via the bite of an infective mosquito. There are four different serotypes of dengue virus (DENV1-4) circulating in the world, including Singapore. Hence, individuals can be infected with dengue up to four times.
Why is desalination not used?
The problem is that the desalination of water
requires a lot of energy
. Salt dissolves very easily in water, forming strong chemical bonds, and those bonds are difficult to break. Energy and the technology to desalinate water are both expensive, and this means that desalinating water can be pretty costly.
What are the 3 main problems associated with desalination?
Desalination has the potential to
increase fossil fuel dependence, increase greenhouse gas emissions, and exacerbate climate change
if renewable energy sources are not used for freshwater production. Desalination surface water intakes are a huge threat to marine life.
What are 4 advantages and 4 disadvantages of desalination?
- Advantage: Provides Accessible Drinking Water. …
- Disadvantage: High Costs to Build and Operate. …
- Advantage: Quality and Habitat Protection. …
- Disadvantage: Environmental Impact.
Why do slash and burn cultivators stop using a plot of land every 2 to 3 years?
Why do slash-and-burn cultivators, such as the Yanomamo of the Brazilian Amazon, stop using a plot of land every two to three years?
They do not use fertilizer
; thus, their crops exhaust the soil quickly. … The remaining ashes contribute to the 3-4 year fertility of the soil.
