3. What are the most important factors in chemical weathering? 1. water and carbon dioxide 2. water vapor and carbonic acid 3. carbon dioxide and chemicals in polluted air 4.
water and soil​

Several factors can affect the long profile of a river, including:

Erosion and Deposition

Tectonic Activity

Erosion and Deposition: the erosive power of the river and the sediment it carries can shape the long profile. Downstream erosion and deposition can create changes in the river's gradient and profile.

Tectonic Activity: the underlying geology and tectonic forces can influence the long profile of a river. Uplift, subsidence, faulting, and folding can affect the gradient and elevation of the river's course.

Climate and Weathering: climate conditions, such as rainfall patterns and temperature, can impact the long profile. Intense rainfall can cause increased erosion and channel downcutting, while weathering can weaken rock formations and influence the river's course.

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In South Africa, drainage basins are influenced by a variety of variables. Here are some important considerations:

Topography: A region's topography has a considerable impact on the drainage pattern. South Africa's terrain is diversified, with mountain ranges such as the Drakensberg Mountains, the Great Escarpment, and the Lesotho Highlands. These highland lands are frequently the source of rivers and streams that flow through the adjacent lowland areas.

Climate has an impact on the volume and distribution of precipitation, which in turn has an impact on drainage patterns. South Africa has a variety of climates, ranging from arid and semi-arid parts to more humid places. The flow of water within drainage basins is influenced by the spatial and temporal distribution of rainfall.

Geology: The underlying geology of an area determines the permeability of rocks and soils, influencing the movement of water. South Africa has diverse geological formations, including sedimentary, igneous, and metamorphic rocks. The presence of impermeable rocks can create natural barriers or channels that redirect water flow.

Vegetation: Vegetation cover affects the drainage patterns by influencing the interception, infiltration, and evapotranspiration of water. Different types of vegetation, such as forests, grasslands, and shrublands, have varying impacts on the movement and retention of water within a drainage basin.

Human activities: Human activities such as agriculture, urbanization, and land-use changes can significantly alter drainage patterns. The construction of dams, reservoirs, and irrigation systems can modify the natural flow of water within a basin. Deforestation, mining activities, and soil erosion can also impact drainage basins.

Hydrological features: Natural features like lakes, wetlands, and groundwater systems can affect the drainage patterns by acting as sinks or sources of water. South Africa has several important hydrological features, including Lake Sibhayi, the Okavango Delta, and various wetland systems.

It's important to note that these factors interact and can vary across different regions of South Africa, leading to diverse drainage patterns and water availability within the country

A few variables impact the drainage basin in South Africa. The following are some important aspects:

Topography: The drainage patterns are heavily influenced by South Africa's topography. The presence of mountains, hills, and valleys influences the drainage basin's overall shape and direction of water flow.

Climate: The drainage basin is significantly affected by climate patterns, such as the intensity, frequency, and seasonality of rainfall. Compared to arid or semi-arid regions, regions with higher precipitation are more likely to have well-developed river systems and larger drainage basins.

Geology: The topographical arrangement of the land impacts the seepage bowl qualities. The permeability of various rocks and soils influences how water penetrates the ground and forms surface runoff. Water flow can be concentrated, and specific drainage patterns can emerge when impermeable rocks or layers are present.

Cover of Land and Vegetation: The drainage basin is affected by the kind and amount of vegetation that covers it. The rate of water infiltration, the capacity for water storage, and the rates of evapotranspiration are all influenced by vegetation, which in turn influences runoff and the formation of streams and rivers.

People's Activities: The drainage basin in South Africa can be significantly altered by human activities like mining, urbanization, and agricultural practices. The development of dams, supplies, and channels can change the normal stream designs, while deforestation and land debasement can increment soil disintegration and sedimentation in waterways.

Conditions of the water: Neighborhood hydrological conditions, for example, groundwater levels and spring presence, can influence the waste bowl. The basin's overall water balance, water table levels, and availability of water sources are all affected by these conditions.

Structural Movement: The drainage basin can be affected by tectonic activity, such as earthquakes and fault lines, by changing the topography and redirecting water flow along fault lines or through geological structures.

It is essential to keep in mind that the diverse geography, climate, and geological features of South Africa mean that the factors affecting drainage basins can vary from region to region.

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Answer: by inpacting it

Explanation:

Factors affecting river regimes: precipitation including storm hydrographs, temperature, vegetation, land-use, water abstraction, dams.

The long profile of a river, which represents its elevation changes from the source to the mouth, is influenced by various factors.

These include the gradient or slope of the land, erosion and deposition processes, the geological composition of the area, tectonic activity, climate and precipitation patterns, and human activities.

These factors interact to shape the river's profile, creating features such as valleys, canyons, floodplains, and waterfalls. The long profile of a river is dynamic and can vary along its course due to the combined influence of these factors.

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1.4.1) Drought refers to a temporary severe water scarcity caused by reduced precipitation, while desertification is a long-term process of land degradation and becoming desert.

1.4.2) One climatological condition that can result in meteorological droughts is a persistent lack of precipitation over an extended period of time, leading to significantly below-average rainfall.

1.4.3) Two man-made causes of the drought in the Eastern Cape from the extract are poor water management by the local government and vandalism of local infrastructure.

1.4.4) The sustainable strategies that can be implemented to manage drought effectively are as under:-

Thus, it is important to implement these things to manage drought effectively.

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An application letter for a job, also known as a cover letter, is a formal document that accompanies your resume or CV when applying for a job position.

A typical application letter includes the following components:

Contact Information: Include your full name, address, phone number, and email address at the top of the letter.

Salutation: Address the letter to the specific person or hiring manager

Introduction: Begin the letter by stating the position you are applying for and where you found the job listing.

Body Paragraph(s): In the main body of the letter, elaborate on your qualifications, skills, and experiences that make you a strong candidate for the job.

Closing and Signature.

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Answer: The inner parts of the Sun are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona

Explanation: I read it on a book about the Solar System.

Hope it helps  : D

Answer:

Limpopo has experienced significant rural depopulation due to a lack of economic opportunities and infrastructural development.

Explanation:

Agriculture and mining, once primary sources of employment, have struggled to sustain livelihoods, prompting many residents to migrate to urban centers in search of better prospects.

In the United States, there are six states that stand out as being the most urbanized: California, New York, Texas, Florida, Illinois, and Pennsylvania.

These states are home to dense urban populations, along with flourishing economic activities and extensive infrastructure. For instance, cities such as Los Angeles and San Francisco in California attract many people due to their unique cultural offerings and career prospects.

Meanwhile, the New York City metropolitan area is a globally renowned center for both finance and culture. Such major urban centers as Miami, Houston, Pennsylvania, and Chicago are also found in Texas, Florida, and Illinois

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The Pacific Ring of Fire, where Ecuador is situated, is a seismically active area that frequently suffers earthquakes.

There are three different types of earthquakes that happen in Ecuador: those caused by deformation inside the South American and Nazca Plates, those caused by movement on the subduction interface along the plate boundary, and those that are linked to active volcanoes.

Numerous roads were blocked by landslides brought on by the earthquake, which also impacted more than 30 health centers and almost 50 educational institutions.

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This geographical problem statement addresses the need to comprehend and explain the effects of earthquakes and volcanic eruptions on human societies, particularly in earthquake-prone areas. We can delve into the unique geographical elements and social dynamics that determine community susceptibility and the consequent effects of natural hazards by focusing on a specific area of study.

This study will look at the spatial and temporal patterns of earthquakes and volcanic eruptions in the chosen region, as well as the demographics, livelihoods, and infrastructure of the impacted communities.

We can gain insights into the complex relationship between humans and the environment during and after these catastrophic events by analysing the socioeconomic impacts, which include displacement, loss of life and property, disruptions to local economies, and challenges in recovery and resilience building.

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It is expected that you write a formal letter to the said lawmaker explaining the concept of deforestation and it it's impacts. Below is an expected content:

Writer's name and address: Usually, this always be at the top-right conner of your writing page. An example is given below:

[Your Name]

[Your Address]

[City, State, ZIP]

[Date]

[Recipient's address. The is traditionally at the left side of the page, and example include the following:

Lawmaker's Name]

[Lawmaker's Address]

[City, State, ZIP]

Subject: Understanding Deforestation and Its Impact on Tropical Rainforests and the Planet

Dear [Lawmaker's Name],

Body: This should encompass everything you intent to inform the lawmaker ranging from the definition of concept, importance, and to the impact of such. Ensure ideas are written in paragraphs.

Subscript: This is the closing greetings. After this, your full name. It is exemplified below:

Yours sincerely,

[Your Name]

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In South Africa, a student-led movement called #FeesMustFall was launched in October 2015 to protest rising university tuition and call for more government support for postsecondary education.

Given that it resulted in a halt to price increases for the 2016 academic year, the #FeesMustFall movement can be viewed as a success in addressing students' concerns about the exorbitant expense of tertiary education.

In addition, the campaign was successful in drawing attention to the problem of educational access, particularly for black kids who fell into the "missing middle" and did not receive full state funding. The effectiveness of the campaign is also evident in the fact that it served as an inspiration for such initiatives in other nations, such as the #FeesMustFallUK campaign.

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Uniform wind pattern is not a cause of severe weather

Severe weather refers to extreme or hazardous weather conditions that have the potential to cause significant damage, destruction, or harm to life and property. It includes a variety of weather phenomena that are characterized by their intensity, destructive capabilities, or adverse impacts on human activities and the environment.

Severe weather events like storms, hurricanes, tornadoes, and thunderstorms are often associated with specific atmospheric conditions and dynamics.

Low pressure systems, clashing of air masses, and topography/geography are all causes of severe weather. However, a uniform wind pattern is not typically considered a direct cause of severe weather.

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