Perform online research on the AIDS epidemic in South Africa in the last 30 years. Based on your findings, describe how the prevalence of the HIV virus in South Africa has changed in the last 30 years. What does this suggest about South Africa's AIDS prevention measures over that time span?

Answer:

there called plates Explanation: but I'm not 100 present sure

The tectonic plates, which are large, shifting chunks of rock that make up the crust of the globe.

According to the widely recognized scientific hypothesis of plate tectonics, the Earth's lithosphere is made up of a number of substantial tectonic plates that have been steadily moving for nearly 3.4 billion years. The theory of continental drift, which was created in the early 20th century, is the foundation of the model. The validation of seafloor spreading in the mid- to late 1960s led to the broad acceptance of plate tectonics among geoscientists.

Oceanic and thicker continental lithosphere make up tectonic plates, and each is covered in a distinct type of crust. A new (oceanic) crust is formed along divergent edges by seafloor spreading, making up for the area of material lost along convergent boundaries as the process of subduction, or one plate moving under another, drags the edge of the lower one down into the mantle.

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1. In any major earthquake, the largest shaking-related damage to structures occurs where buildings are founded in loose soil or water-saturated sediment. Option A is the answer.

2. The formation of the Deccan Traps may have caused a mass extinction because Large amounts of sulphur were released into the atmosphere producing aerosols that encouraged clouds to form and increased alibedo.

3. There is no evidence for global cooling at this time. Option B.

4. the main cibse of the spreading movement of the ocean crust is that the new magma forming at ocean ridges is pushing the ocean crust

When Earthquake occurs, there are so many damages that occur. During earthquake, buildings are founded in loose soil or water-saturated sediment. In any major earthquake, the largest shaking-related damage to structures occurs where buildings are founded in loose soil or water-saturated sediment.

Soils that are loosed amplify ground motion during an earthquake, and this can make buildings to shake more vigorously resulting into great collapse of the structures.

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Answer:

a.

Explanation:

Answer:

c. endosymbiosis

Explanation:

Basically one cell enguled another and result in a eukaryotic (multi cellular) organism.

Answer:

Warm fronts often bring stormy weather as the warm air mass at the surface rises above the cool air mass, making clouds and storms. Warm fronts move more slowly than cold fronts because it is more difficult for the warm air to push the cold, dense air across the Earth's surface.

Explanation:

Flux melting occurs at subduction zones where one tectonic plate is forced beneath another plate into the Earth's mantle.

Flux melting is a type of melting that occurs at subduction zones, where one tectonic plate is forced beneath another plate into the Earth's mantle. In this process, the descending plate releases fluids such as water, carbon dioxide, and other volatiles that are trapped within the rocks. These fluids act as a flux, lowering the melting temperature of the mantle rocks and resulting in partial melting, which generates magma.

The process of flux melting is different from decompression melting, which occurs at mid-ocean ridges, where hot magma rises to the surface due to the reduced pressure at divergent plate boundaries. Decompression melting can also occur at mantle plumes, where rising hot magma generates volcanoes.

Understanding the different types of melting processes is crucial for studying the formation of igneous rocks and the processes that drive plate tectonics. By identifying the different geological settings where these processes occur, scientists can gain a better understanding of the Earth's interior and the forces that shape our planet.

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The values of x in the triangles and the missing lengths are solved below

Given that the triangles are special triangles with 45 degree angle, we have

Hypotenuse = Leg√2

So, we have

Here, we use the trigonometry ratios

figure 5

cos(60) = 7/y

y = 14

x = √(14² - 7²)

x = 7√3

figure 6

cos(30) =2√3/y

y = 4

x = √(4² - (2√3)²)

x = 2

figure 7

cos(60) = x/10√3

x = 5√3

y = √((10√3)² - (5√3)²)

y = 15

figure 8

sin(30) = x/18

x = 9

y = √(18² - 9²)

y = 9√3

Here, we have

Area = (d/√2)²

Area = (16/√2)²

Area = 128

Area = 13 * 6 * sin(60 degrees)

Area = 39√3

Here, we have

tan(K) = 48/14 = 24/7

tan(J) = 14/48 = 7/24

tan(D) = 6√2/3 = 3√2

tan(E) = 3/6√2 = √2/4

Here, we have

tan(23) = x/53

x = 22.50

tan(43) = 36/x

x = 38.61

tan(28) = x/y

tan(45) = x/82

So, we have

x = 82 and tan(28) = 82/y

x = 82 and y = 154.2

Here, we have

tan(65) = h/30

h = 64.34

Here, we have

RQ = 14tan(56)

QS = 14tan(32)

So, we have

RS = RQ - QS

RS = 14tan(56) - 14tan(32)

Evaluate

RS = 12

Hence, the length RS is 12 units

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Answer:

The current condition is 250 with heavy amounts of snow falling - weather

Expect snow in the central plains in the month of February - climate

Explanation:

Weather and climate are two different terms that are often mistaken with each other and used inappropriately. This probably comes from the fact that they both describe meteorological conditions. Basically, weather represents the current state of the atmosphere, while climate represents an average state of the atmosphere based on data from a prolonged period of time.

The first example is clearly an example of weather. It describes what happens at the moment with the atmosphere, thus it describes the current situation of the atmosphere. The second example tells us a prediction about the atmospheric conditions in a month that is yet to come and about a particular region. This is an assumption made on the data about the average atmospheric conditions in the particular region in the particular month, thus it is an example of climate.

A) Using a Cross Section of Ground, we have:

B) Factors that create an artesian well include a confined aquifer, a recharge area at a higher elevation, and a permeable layer of material or rock formation. The confined aquifer must be filled with water that is pressurized by the weight of the water above it. The recharge area must be located at a higher elevation than the confined aquifer. Finally, a permeable layer of material or rock formation must be present to allow water to move freely through the aquifer.

C) Scientists have a number of concerns regarding the pumping of water from unconfined aquifers. These include depletion of the water table, disruption of the natural hydrologic cycle, and interference with natural ecosystems. Additionally, pumping of water from unconfined aquifers can cause the water table to drop, resulting in a decrease in the amount of water available for human use and the potential for increased water contamination.

D) Cones of depression near the coasts of continents can lead to saltwater intrusion of water wells. This happens when the groundwater is pumped from the aquifer faster than it can be replenished, creating a cone-shaped depression in the water table around the well. The resulting lower pressure in the aquifer causes the seawater to intrude into the well, resulting in saltwater contamination of the water supply.

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The middle latitude regions such as Mediterranean areas, southern Argentina, and southern Australia projected to experience much less rainfall in the future ITCZ, and subtropical high-pressure cells move to low latitude area.

The weather of Argentina varies from place to place, because the great length of the united states and huge version in altitude make for a huge variety of weather types.  Summers are the warmest and wettest season in maximum of Argentina besides in maximum of Patagonia in which it's miles the driest season. Warm withinside the north, cool withinside the middle and bloodless withinside the southern components experiencing common frost and snow.

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Scientists use relative and absolute dating methods to determine the age of rocks and fossils and to organize Earth's 4.6-billion-year-old history.

Relative dating involves placing rocks and fossils in chronological order based on their positions in layers of sedimentary rock. The principle of superposition, for example, states that in an undisturbed sequence of sedimentary rocks, the oldest layer is at the bottom and the youngest layer is at the top. Absolute dating involves using radioactive isotopes to determine the exact age of rocks and fossils. This is done by measuring the decay of isotopes over time. For example, carbon-14 dating is used to determine the age of organic materials up to 50,000 years old, while uranium-lead dating can be used to determine the age of rocks that are billions of years old. Using these dating methods, scientists have developed the geologic time scale, which is a timeline of Earth's history based on major events and changes in the rock record. The geologic time scale is divided into eons, eras, periods, and epochs, and is based on the fossil record and the physical and chemical changes in rocks and minerals over time.

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Answer:

Grand Banks, Newfoundland

Explanation:

North East. Due to winds as well as currents

Harrisburg, PA has a temperate climate with distinct seasons and moderate rainfall distribution throughout the year.

Explanation: The rainfall distribution in Harrisburg, Pennsylvania, follows a general pattern of moderate precipitation levels throughout the year, with higher amounts in the spring and fall and lower amounts in the summer and winter. In the spring, the region experiences increased rainfall as the warm air collides with colder air, climatecausing thunderstorms and heavy showers. During the summer, Harrisburg has less rainfall due to the influence of high pressure systems, which suppress precipitation. In the fall, the region sees a resurgence of rainfall as the jet stream becomes more active and pushes storm systems across the area. The winter months are typically the driest in Harrisburg, with snowfall as the primary form of precipitation. However, the city can still experience periods of moderate to heavy rain, particularly during warm-air advection events.

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i think it would be c

Explanation:

region

mark as brilliant

Answer:

A because anatartica is continent

Western Europe has had a significant impact on modern western culture in many ways.

Firstly, the English language, which is now widely spoken in many countries around the world, is linked to many other early languages in Europe such as Latin, French, German, and Greek.

This has resulted in the development of a rich and diverse vocabulary that is now commonly used in various fields including science, business, and entertainment.

Western Europe has also played a key role in shaping modern art, architecture, music, and literature. For example, the Renaissance movement in Italy during the 14th to 16th centuries resulted in the creation of many famous works of art, such as the Mona Lisa by Leonardo da Vinci, which have become iconic symbols of western culture.

Overall, Western Europe's influence on modern western culture has been immense and continues to shape our lives in many ways.

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Answer:

1.) It is not protected from the sea by mountains.

2,) Summers are damp and chilly, and winters are wet and moderate.

I hope this helps! ^-^

Among the provided options, carbon isotope analysis is not an example of methods used for short-term climate reconstructions.

The other methods mentioned, including lake core analysis, ocean sediment core analysis, dendrochronology, and cave formation (speleothem) analysis, are commonly employed techniques for reconstructing short-term climate variations. Carbon isotope analysis, on the other hand, is typically used to study carbon cycling, sources, and sinks, but it is not a primary method for directly reconstructing short-term climate variations.

Dendrochronology utilizes tree rings to reconstruct past climate conditions, as the width and characteristics of tree rings can provide insights into temperature and precipitation patterns. Cave formation (speleothem) analysis involves studying the growth and composition of mineral deposits in caves, which can offer information about past climate changes.

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Answer: B

Explanation: The reason for this is that a conic projection is good for lay out of a globe but for acurate viewings it’s the worst and the Mercator projection although is the most common projection it strechs the size of things for example you could say Greenland is around the size of africa but in reality it’s 14 times smaller Therefore the Equal-area projection is the best.

Explanation:

plzzzz mark me brainliest if it helps you then

Karst terrain could form in areas where the metamorphic rock calcite is prevalent because the rock contains the mineral quartz

Karst terrain is a unique landscape formed by the dissolution of soluble rocks such as limestone, dolomite, and gypsum. These rocks are composed of minerals such as calcite, which can be easily dissolved by water. Therefore, the formation of karst terrain is closely related to the type of rock present in an area.

Metamorphic rock is a type of rock that has been subjected to high pressure and temperature, causing it to undergo significant changes in its mineral composition and texture. In particular, the presence of certain minerals in metamorphic rock can affect the formation of karst terrain.Calcite marble, which is formed from limestone or dolomite that has undergone metamorphism, is a common rock type that can form karst terrain.

This is because calcite is highly soluble in water and can be easily dissolved, creating voids and cavities in the rock that eventually lead to the formation of sinkholes, caves, and other karst features.Other types of metamorphic rocks such as quartz marble and quartzite are less likely to form karst terrain because they do not contain significant amounts of soluble minerals. Calcite schist, on the other hand, may contain enough calcite to potentially form karst terrain, but the presence of other minerals such as mica and quartz can hinder the dissolution process

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Answer:

Mark me as brainliest I'm begging u

Explanation:

Cultural evolution” is the idea that human cultural change––that is, changes in socially transmitted beliefs, knowledge, customs, skills, attitudes, languages, and so on––can be described as a Darwinian evolutionary process that is similar in key respects (but not identical) to biological/genetic evolution.

Approximately 0.8 percent of the world's surface oceans are considered marine protected areas or marine conservation zones.

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Impact of depletion of land Beyond the loss of agricultural land, soil erosion has other negative repercussions. In streams and rivers, it has increased pollution and sedimentation, blocking these waterways and resulting in a loss in fish and other species. Additionally, deteriorated soils are frequently less able to retain water, which can make floods worse.

The portion of Earth's solid surface that is not always covered by water is known as the "land" or "ground."

Land degradation is a process in which a number of human-caused processes working on the land reduce the value of the biophysical environment. It is understood to be any alteration or disturbance to the land that is either harmful or unwanted. Natural disasters are not considered a cause, but human actions can have an indirect impact on events like floods and bushfires. Resource depletion is the state in which natural resources are being used up more quickly than they can be regenerated. Developing nations misuse their lands for economic gain in an effort to attain economic progress.

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Question: 7c^2+11c

Answer: Take the common,

= c(7c+11)

hope it helps

Good luck on your assignment

Answer:

Causes of ethnic conflict are intolerance between different ethnic groups, aspiring for independence, and suppression.

Explanation:

There have been ethnic conflicts around the world for thousands of years, there still are, and it seems that there will be many more in the future as well. The reasons are numerous for such conflicts and over time they have changed at least the primary ones. Nowadays, ethnic conflicts are mainly based on intolerance, wanting independence, and suppression.

Some ethnic groups simply don't seem to stand each other historically, and this intolerance often leads to violence and larger conflicts. An example of this is the conflict (with genocide) in the '90s in Rwanda between the Tutsis and Hutus.

Some ethnic groups feel as they have been occupied, that they don't share common values with the country under which government they are, and they want to be independent entities. This results in conflicts between the ethnic group that wants independence and the majority group that doesn't want to give up the territory. An example of this is the several conflicts between Chechnya and Russia.

Some ethnic groups are supressed by the majority groups so they want to be independent and have their rights instead of being deprived of them. This often can cause the bloodiest and longest conflicts. An example of this is the ongoing conflict between Turkey and the Kurds.

Answer:

The answer is above

The correct answer is A. deep trenches and volcanic islands. Subduction zones in the world's oceans are characterized by deep trenches and volcanic islands.

Subduction zones are locations where one tectonic plate is forced beneath another plate, causing the upper plate to be pushed down into the mantle below. As the plate is forced down, it melts and forms volcanic islands, as well as deep trenches along the subduction zone. The deep trenches are created as the heavy, dense oceanic plate sinks beneath the lighter, less dense continental plate. In addition to the deep trenches and volcanic islands, subduction zones can also produce broad, flat beaches and barrier islands in some locations. However, this is not a defining characteristic of subduction zones.  

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Full Question ;

Subduction zones in the world's oceans are characterized by...

A. deep trenches and volcanic islands

B. deep trenches and coral reefs

C. volcanic islands and the world's highest mountains

D. broad, flat beaches and barrier islands