give me 5 reasons why Africa Rivers are not navigable​

Answers

Answer 1

Answer:

Most meander too much

Many have too many falls

Many are too swampy and narrow

Many are too shallow, worse in dry seasons.

Generally, water transportation especially on rivers is one industry that has yet to receive ample attention in terms of investment in Africa.


Related Questions

In areas where unconsolidated materials are saturated with water, earthquakes can turn stable soil into a fluid during a phenomenon called ___________.

Answers

Answer:

soil liquefaction is the answer you're looking for.

In areas where loose materials are changed with water, earthquakes can turn unfluctuating soil into an unstable during a phenomenon called Soil liquefaction.

What is Soil liquefaction?

In reaction to an applied stress, such as shaking during an earthquake or other abrupt change in stress situation, a cohesionless saturated or partially saturated soil dramatically loses strength and stiffness, causing material that is typically a solid to behave like a liquid.

The liquefied soil's strength and rigidity are greatly reduced, which frequently directs to a number of structural collapses. As a result, liquefied ground is no longer regarded as stable and suitable for building.

Straws can be effectively converted into liquid products through the process of liquefaction, which can serve as possible intermediates in the synthesis of fuels and chemicals.

Hence, the Liquefaction can be divided into hydrothermal liquefaction and solvolytic liquefaction, depending on the goal and process.

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What two airmasses are most important to the weather of the United States east of the Rocky Mountains

Answers

Continental polar (cP) and maritime tropical (mT) air masses influence the weather of North America most.

what are the advantages and disadvantages of building dams?? please help ​

Answers

Answer:

Advantage:

They control the floods because water can be stored in them, and they are the primary source of power generation.

Disadvantage:

Disrupt paths of fishes that are traveling in the same river

Explanation:

reverse faults are created when plates push ________ each other.

Answers

Answer:

against

Explanation:

Reverse faults, also called thrust faults, slide one block of crust on top of another. These faults are commonly found in collisions zones, where tectonic plates push up mountain ranges such as the Himalayas and the Rocky Mountains.

surface features that are created when water dissolves limestone, like sinkholes and disappearing streams, are parts of

Answers

The surface features that is been developed when limestone is been dissolved by water and disappearing streams is Karst.

Karst can be regarded as the type of landscape, and in this landscape bedrock are been dissolved which create sinkholes as well as sinking streams.

It us usually associated with soluble rock types such as ;

limestone

marble

gypsum

Therefore, Karst is the right term.

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What is the area of study in oceanography that uses marine sediments to determine past changes in the ocean environment, such as water temperature or circulation

Answers

Answer:

I'm pretty sure it is paleoceanography.

on december 22, where is the location of the most intense, direct sunlight on the planet?

Answers

Answer:

Tropic of Capricorn

Explanation:

The sun's vertical rays strike the Tropic of Cancer, 23.5° north of the Equator, during the June solstice. The subsolar point then begins its migration south, and vertical rays strike the Tropic of Capricorn, 23.5° south of the Equator, during the December solstice.

which two uses consume most freshwater in the united states?

Answers

Answer:

Thermal power and irrigation remained the two main water users in 2015, and the total withdrawal for thermal power decreased  but increased for irrigation.

What are the advantages of wind power?

(you can choose more than one HELP)

always available
non-polluting energy source
can use anywhere
free after equipment is built
useful in remote areas​

Answers

Answer:

non polluting energy source and useful in remote areas.

Explanation:

Wing mills are usually made in remote areas and it's non-polluting energy.

The Danube River, eastern Europe's major waterway, flows from Germany's Black Forest to the Black Sea. The river is seriously affected by the agricultural runoff of fertilizers, which encourage the growth of algae. Explain why organic farming methods might help solve this problem.​

Answers

Answer:Organic farming would help reduce pollution in the Danube because no chemicals or fertilizers are used to produce crops.

Explanation:

which temperature most likely corresponds to the asthenosphere

Answers

Answer:

The lithosphere-asthenosphere boundary

Explanation:

because is conventionally taken at the 1300 °C isotherm. Below this temperature (closer to the surface) the mantle behaves rigidly; above this temperature (deeper below the surface) it acts in a ductile fashion.

Pretend that you were the president of a country. What are 3 things you will do to address the centrifugal forces and 3 things you will do to instill centripetal forces or nationalism in your country?

Answers

As the President of a country, it is vital to have a national goal that promotes centripetal forces or nationalism like promoting cultural and national identity as well as nationalism.

Now, 3 things to address centrifugal forces:

Ensure equity in resource distribution: The unequal distribution of resources such as power, wealth, and land can create feelings of marginalization and dissatisfaction among certain groups, which can eventually lead to centrifugal forces. As a president, I will ensure that resources are fairly distributed, and everyone has equal access to these resources.

Encourage dialogue and conflict resolution: One of the centrifugal forces that can break a nation apart is conflict and a lack of dialogue between different groups. As a president, I will encourage dialogue and conflict resolution to promote peace and unity among different groups.

Promote intercultural understanding and tolerance: Different cultural, religious, and linguistic groups in a country can have diverse beliefs and values that can lead to centrifugal forces if there is no understanding and tolerance for these differences. As a president, I will promote intercultural understanding and tolerance to minimize conflicts and promote unity.

3 things to instill centripetal forces or nationalism in my country:

Promote cultural and national identity: A sense of identity can unite different groups in a country. As a president, I will promote cultural and national identity to foster a sense of belongingness among citizens.

Promote Nationalism: As a president, I will promote nationalism by encouraging citizens to feel a sense of pride in their country and their national achievements. Nationalistic symbols, such as flags, national anthems, and monuments, can be used to instill nationalism among citizens.

Encourage citizenship participation: Encouraging citizens to participate in civic duties, such as voting, volunteering, and community service, can foster a sense of unity and national pride. As a president, I will encourage citizenship participation to promote centripetal forces and nationalism.

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Which regions on Earth experience the greatest temperature change (and all the seasons)? Choose only one
Regions North of the Arctic Circle
Regions South of the Antarctic Circle
Regions between the Tropic of Cancer and Arctic Circle
Regions between the Tropic of Cancer and Tropic of Capricorn

Answers

Regions between the Tropic of Cancer and the Arctic Circle regions on Earth experience the greatest temperature change. The correct option is C.

The region of the Earth's surface between the Arctic Circle and the Tropic of Cancer, or between the Antarctic Circle and the Tropic of Capricorn, with a temperate climate.

What best describes the Tropic of Cancer?

The Tropic of Cancer is the circle drawn at latitude 23.5 degrees north, where the sun will be directly overhead at noon on June 21, the start of summer in the northern hemisphere.

The Tropic of Cancer is the circle drawn at latitude 23.5 degrees north, where the sun will be directly overhead at noon on June 21, the start of summer in the northern hemisphere. At 66.5 degrees latitude, the Arctic and Antarctic Circles are located.

Thus, the ideal selection is option C.

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What are the top three characteristics distinguishing human beings from other animals?

Answers

Answer:

please mark me as brainliest

Explanation:

Generative computation. Humans can generate a practically limitless variety of words and concepts. ...

Promiscuous combination of ideas. ...

Mental symbols. ...

Abstract thought

Answer:

Generative Humans can generate a practically limitless variety of words and concepts

Promiscuous combination of ideas

Mental symbols

Abstract thought

Explanation:

most earthquakes happen underwater. What is the effect of a large one

Answers

Answer:

The effects of a large underwater earthquake may be a Tsunami

what does the earth's magnetic field shield earth from

Answers

Answer:

the charged particles of the solar wind

Explanation:

Read the following sentence from the section "The Big Bang Formed The Universe." Then, fill in the blank. Or did the universe first organize as immense clumps of matter that later broke apart into galaxies? The word "immense" in the sentence above emphasizes

A. the uncontrolled and random force of the Big Bang

B the mystery surrounding the formation of the universe

C. the huge scope and significance of the Big Bang

D. the orderly structure of the early universe​

Answers

A. the uncontrolled and random force of the Big Bang

How does a sea anemone feed?

Answers

They practically poison their prey (as the other answerer said) so that the prey is paralyzed, then they pull the prey into their mouth with their tentacles !

What is the overall direction of global air currents at the equator?.

Answers

Answer:

North

Explanation:

1. How does the world seem different when using ocean-centered geography?

Answers

Answer:

Explanation:

The world seems different when using ocean-centered geography because it looks at oceans as highways instead of barriers. This really confirms that the world is truly global.

The Earth's _____________ is broken into a series of larger and smaller plates that move in relationship to each other.

Answers

Answer:

The Crust

Explanation:

These plates are tectonic plates and their movement causes things like earthquakes.

Why does a hurricane begin to dissipate after it makes landfall?

answer quick thank you!

Answers

Answer:

Warm temperature

Explanation:

A) it is away from its energy source (the ocean)

B) warm temperatures causes the seawater to evaporate (moisture fuels the hurricane) thus as the hurricane moves over land and is away from a key source of moisture it dissipates after it makes landfall.

Hope this helps!

Recent studies of ice ages Choose one: A. have identified glacial events by analyzing oxygen-isotope ratios in marine sediments. B. suggest that the entire Earth was covered by glacial ice in the Pleistocene. C. reveal fewer ice ages and less complexity than were originally thought. D. have identified paleosols that form during glacial periods.

Answers

There are several ice ages that has taken place here on earth. Recent studies of ice ages have interpreted glacial events by analyzing the oxygen isotope ratio in marine sediments.

The Ice Age is a very popular timeframe in history. It is known to be a long time of decreasing in the temperature of Earth's surface and atmosphere.

This can also lead to the presence or expansion of continental and polar ice sheets and alpine glaciers.

The Earth's climate is said to often alternates inbetween ice ages and greenhouse periods. In this period, there will be no glaciers on the planet.

Scientists have recorded at least five important ice ages in the Earth's history.

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PLEASE ASAP
Which supranational organization refers refugees to the US Citizenship and Immigration Services for resettlement consideration?A) European UnionB) United NationsC) North Atlantic Treaty OrganizationD) Association of Southeast Asian Nations

Answers

I thinks it’s the UN because they oversee everything but I’m not 100% sure!

Option B United Nations

See

European union is for European countriesNATO is military organizationaSAN is asian countries organisation.

These three have no use of US refugees referal.

So Only UN can do it.

Option B

why is economic prosperity important for country​

Answers

Answer:

Why is economic prosperity important for country

Explanation:

-Economic growth is essential to allow countries to reduce and eventually eliminate extreme poverty. Growth also generates the resources countries need to address a wide range maybe.

At the present time, scientists are confident that _____ processes and features are not restricted to Earth.

Answers

Answer:Geologic

Explanation:

What are Medicare and Medicaid

Answers

Answer:

if I'm not mistaken they're both forms of healthcare

Health Care Coverage eligibility is based on meeting criteria.

Medicare - 65 and older / Social Security Disability

Medicaid - Government Funded - Indigent, Poverty Level, Income Criteria Etc

Which international organization would most likely defend a western European against an invasion from an Asian country?

A. The Red Cross
B. The World Health Organization
C. The Red Crescent
D. The North Atlantic Treaty Organization

Answers

D. The North Atlantic Treaty Organization

It’s a treaty between western European countries and North America in military defense.

Answer:

D.north atlantic treaty organization

Please HELP asap I’ll mark brainliest

Answers

Answer:

B. clustered

Explanation:

Every building is bunched up together

most deserts northwest?

Answers

Answer:

north or south of the equator.

Explanation:

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