Answer:
The correct option is c) controlled the trade of gold going North and salt going South
Explanation:
the option a) can't be true because Niger river doesn't flow through Ghana and Songhay (but it does flow through Mali), so therefore these successive western African kingdoms can't drew upon the agricultural fertility of the inland Niger river delta.
since the option a) is not true , then we can conclude that the option d) all of the above will also not be true.
while the successive kingdoms of Mali, Ghana, Songhay do have dominance in the trade of gold and salt in the region between Sub Saharan and North Africa, so on the basis of this we can say that it is possible that these kingdoms control the trade of gold going North and salt going South.
Which of the following is a piece of evidence Wegener used to support nis hypothesis of continental drift? a) the puzzle-like fit of continental coastlines b) the similarity of rock groups on separated continents c) the presence of similar fossils on separated continents d) A and B only e) A, B and C
Answer:
The correct option is : e) A, B and C
Explanation:
The continental drift is the theory that continents of the earth have moved relative to the other continents over the period of time. Therefore, the continents appear and are said to be drifted or moved across the ocean bed. This theory was fully developed by Alfred Wegener in 1912. This hypothesis was supported by the following evidences
1. the fossils of the plants and animals are found on the shores of continents that were once joined.
2. The continental coastlines fit together in a puzzle-like manner.
3. The similarity in the rock groups present on the continents that were once joined.
Do you think that some of Lumumba's ideals still live on in contemporary Africa?
The national hero of the DR Congo, Patrice Lumumba, was a man that had lot of ideas, good and healthy ones, as to how the African continent should be and prosper. Some of his ideals was that the African countries become independent, all of them to be in good relations and support each other, form an organization through which there will political and economic collaboration between the African nations, to force the tribalism, ethnic, and religious rivalry out of the African mindset. In the present, these ideals still live on among millions of people, but unfortunately it seems that they are a minority. The majority seems to still engage in what Lumumba wanted to eradicate. The collaboration between the nations is not the best, being more tense than good, and lot of people try to migrate out of the continent instead of trying to make it a better place for living.
1. What do you think should be the purpose of education? 2. Is education the gateway to happiness? 3. Should the main purpose of education be to get a job? 4. Is there a role for education in Caribbean nation building?
Answer:
4
Explanation:
I think there is role for education in caribbean nation building.as all will be educated nation will build of itself.
Education prepares individuals for the job market, fosters personal development, contributes to nation-building, upholds cultural values, and influences career paths, income, and life choices.
A true educator should aim not only to prepare students for the job market but also to contribute to their overall development as individuals capable of critical thinking, ethical reasoning, and becoming responsible members of society.
Regarding happiness, while education may not be the sole gateway to happiness, it can provide the tools and opportunities for individuals to pursue fulfilling lives and careers. Moreover, education plays a crucial role in nation-building, particularly in the Caribbean, by fostering social cohesion, promoting cultural values, and driving economic growth through an educated workforce.
Is massive pollution an inevitable consequence of economic development? Explain. Essay form please!
Answer:
Yes
Explanation:
Massive pollution is a major concern for the world today because of possible threats of the consequences it has forwarded. All the environmental resources are becoming off balance and if this continues the world will come to it's end. This pollution is the consequence of economic development without any proper planning and risk management steps. In the race of development man is not bothering about the damage they are making to the environment which is dangerous for them and their future generations. There is no awareness on how to preserve nature and ensure that resources are available for their future generations . Indiscriminate cutting of trees, massive carbon emission and ignorance of wildlife habitat are a few examples. although we grown economically but at cost of irreparable damage to our environment.
Subtropical deserts are centered around 20-30 degrees north and south latitude, true or false?
It is true that subtropical deserts are centered around 20 degrees to 30 degrees north and south latitude.
Explanation:The atmospheric environment of subtropical climate inhibits precipitation as the air always descends with clear skies, elevated inversions. Most of the Earth's tropical desert climate occurs between 15 to 30 degrees north and South latitude.
Temperatures are usually high (21-32) and on a daily basis variations are extreme. The deserts are subject to frequent fog and low-level clouds. The cooling results from the oceans and coastal waters give rise to cold currents. The maritime air penetrates less frequently as the high and low sun-monsoonal winds blow along the coast.
Jupiter has a mass of about 318 times the mass of Earth and a diameter of about 11.2 times the diameter of Earth. The acceleration of a body falling near the surface of Jupiter is about A : 24.8 m/s2 B : 278 m/s2 C : 9.80 m/s2 D : 3.87 m/s2 E : 0.345 m/s2
Answer:
(a) 24.8 m/[tex]src^2[/tex]
Explanation:
acceleration due to gravity is given by [tex]g=\frac{GM}{R^2}=9.8 m/sec^2[/tex]
where G is gravitational constant M is mass of earth and R is radius of earth
it is given that mass of Jupiter is =318 M
and radius of earth =11.2 R
[tex]g_{jupiter}=\frac{318GM}{11.2^2\times R^2}=2.535\times 9.8=24.84375 m/sec^2[/tex]
so the acceleration due to gravity at Jupiter is 24.8 m/[tex]sec^2[/tex] so option a will be correct answer
Which of the following factors would have the net effect of making a place warmer in the summer? Which of the following factors would have the net effect of making a place warmer in the summer? at a high elevation near an ocean in the middle of a landmass at a high latitude
The factor that would have the net effect of making a place warmer during summer would be that it is in the middle of a landmass.
The reason why a warmer summer would be present at the middle of a landmass is because landmass:
1. Has a lower specific heat capacity, and therefore can be heated up quickly, through receiving insolation from the sun.
2. Land is opaque, therefore insolation only concentrate in shallow areas, making the surface temperature increase.
3. There is no mixing of warm and cold layers, along with the lack of presence of evaporation, there would be less cooling
In sum, the above effects can be called continental climate, and thus the middle of a land mass is cooler.
For your reference, here's why the other options are not correct:
At a high elevation near an ocean - near the ocean would mean it has a maritime effect and therefore a cooler summer.
At a high latitude - with the less dense air, heat will be absorbed faster resulting in faster heat loss hence a cooler summer.
Hope it helps!
Faulting is the result of _____________ plate tectonic processes.
Question 8 options:
extensional
compressional
transform
all of these
none of these
Answer: All of these
Explanation: Plates tectonics process is the process that usually takes place near the edges of the planes and it is caused when the earth's outer shell gets divided into various number of plates and get floated over the mantle surface. Faulting occurs when there is any sort of action like extension, compression or transformation in the tectonic plates .
The most recent Ice Age occurred during the________. Jurassic period Quaternary period Mesozoic era
Answer:
Quaternary period
Explanation:
The last Ice Age on Earth occurred during the Quaternary period. This Ice Age only ended around 10,000 years BC, so very recently. During this period, big portions of the Earth were under ice, with approximately half of North America, as well as half of Eurasia being covered in ice. The mountains around the globe too were covered in glaciers. Because there was so much water trapped in the ice sheets and glaciers, the sea levels were much lower, which opened up lot of land-bridges between the islands and continents, which turned out to be crucial for the human migrations around the globe.
Three different seismograph stations have determined how far away an earthquake’s epicenter is from them. Which point on the map shows the exact location of the earthquake’s epicenter?
A
B
C
D
Point C on the map shows the exact location of the earthquake’s epicenter?
The point of the map which shows the exact location of the earthquake is where the three circles meet at each other. Thus point C is the correct answer.
What do you by epicenter?The epicenter is referred to as the point above the focus on the earth where the shift in tectonic plates starts to begin. Thus epicenter is the point that is found above the focus point of the earthquake.
The point where the circles on the map, meet with others is considered the epicenter of the earthquake. It is important to find the location of the earthquake to provide information to the citizens of the country.
Therefore, the correct answer is C where all the circles cross with each other.
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The mass movement of African Americans from the south to the north in the early 1900s is commonly referred to as the
Answer:
The mass movement of African Americans from the south to the north in the early 1900s is commonly referred to as the The Great Migration.
Explanation:
The Great Migration -
The Great Migration or The Black Migration or The Great Northward Migration is the movement of about 6 million African Americans from the rural southern United States towards the urban Northeast , West and Midwest region .
It was history's most rapid and the largest mass internal movements .
This migration occurred between 1916 and 1970. According to the U.S. census before 1910 , around 90% of the African - American used to live in the Southern America , but by the end of the Great Migration , only 50% of the African - American population was left .
Answer:
The one above or below is correct.
Explanation:
1. what is structural trap ? and give example?
1. what is stratigraphy trap ? and give example?
1. what is combination trap ? and give example?
Answer:
Structural Trap , Stratigraphy trap , combination Trap .
Explanation:
Structural Trap -
It is a type of geological trap that is formed due to the tectonic , gravitational , changes in the structure of the subsurface and the compactional processes .
These changes leads to the formation of the petroleum reservoir by blocking the upward migration of the hydrocarbons.
They are one of the important traps since , it represents majority of the world's discovered petroleum resources .
The examples of the structural trap are -
the fault trap , anticline trap , and the salt dome trap .
Stratigraphy Trap -
The formation of Stratigraphic traps are due to the vertical and lateral variations in the texture , porosity , thickness and the lithology of the reservoir rock .
The examples of the Stratigraphy trap are -
An unconformity trap , a reef trap and a lens trap .
Combination Trap -
The trap having two or more trapping elements are called Combination traps. This type of trap is due to changes in lithology and tectonic process.
The examples of the Combination trap is -
salt dome.
which three strategies do you think would be the most effective in helping us to make a transition to a low-consumption, low-waste economy? Explain. Which of these strategies, if any, are you using? Which, if any would you like to try?
The least explosive volcanic eruptions usually come from which type of volcano?
calderas
shield volcanoes
composite cones
cinder cones
plug domes
Answer:
The least explosive volcanic eruptions is from - shield volcanoes.
Explanation:
Shield volcanoes -
Shield volcanoes are made up of fluid lava.
They are created by slow accretion of thousands of highly fluid lava flows called the basalt lava. Then the basalt lava spread over and cool down to thin layer.
Shield volcanoes are those which erupts less ,
Reason being the composition of the magma , i.e., the magma is less viscous and less gaseous basltic magma.
If the magma contains high viscosity and high amount of gaseous particles like a granitic magma then it will erupt violently.
Why would people from Latin America consider emigration as an economic strategy?
The porosity and permeability of a soil are influenced by the ____ of the soil.
color
acidity
structure
copper content
fertility
The porosity and permeability of soil are influenced by the structure of the soil
What is a Soil Structure?Soil structure is a word used to describe the arrangement or the way of soil in the solid parts of the soil and of the pore space located between them. It describes the structure of the soil.
Soil structure also describes the way individual particles of sand, silt, and clay are assembled. So the porosity and permeability of soil are influenced by the structure of the soil.
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What is the Declination of the Celestial Equator? A) 45 degrees B) 90 degrees C)0 degrees D) Horizon
Answer:
The correct answer is option c) 0 degrees
Explanation:
In the equatorial coordinate system there are two angles which can help in locating a point on the celestial sphere. Those two angles are declination and hour angle, where declination's can be measured along the hour circle and towards the north and south of the celestial sphere. So from this information we can say that if an object is at celestial equator it would have a declination of 0 degree , with if object being at north will have +90 degree and at south it will have declination of -90 degree.
What rocks form the hard caprock of mesas in the Thunder Bay - Nipigon region? O A) Quartzite O B) Conglomerate C) Granite D) Diabase
Quartzite rocks form the hard caprock of mesas in the Thunder Bay - Nipigon region.
What is Quartzite?Quartzite countertops exist produced utilizing natural, porous stone that is cut to precise dimensions. Quartz countertops are engineered stone that is molded into customized shapes.
Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone. Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts. Quartzite countertops are produced using natural, porous stone that is cut to exact dimensions while Quartz countertops are engineered stone that is molded into custom shapes.
Therefore, (A) option is the correct answer.
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The hard caprock of mesas in the Thunder Bay - Nipigon region is formed from Diabase, an igneous rock resistant to weathering.
The rocks that form the hard caprock of mesas in the Thunder Bay - Nipigon region are Diabase. This is a type of igneous rock that is particularly resistant to weathering and erosion, which allows it to protect the softer rocks underneath and gives mesas their characteristic flat-topped shape. Diabase caprock is formed from magma that cools and solidifies within the Earth's crust. The resistance to weathering helps in preserving the landform's shape against the forces of nature.
Explain what it means for Earth to be a living world.
How does Mars compare? Is this a living world? Why or why not.
Answer:
On the earth ,living and non-living organism is present.Living organism like human,animal,trees etc.Non living organism like air ,soil,water etc.
In the living world there exits a diversity of living organism.Due to availability of water and other things on the earth, human or animal can spend life.That is why earth is called living world.
On the other hand ,life is not possible on the Mars currently.There is a lack of water, which makes of building block and energy source for power,that is why life is not possible on Mars.But lots of scientist are studying about Mars and exploring about the existence of life on mars.
According to Erikson, wisdom is associated with the stage of
A) Ego Integrity versus Despair.
B) Generativity versus Stagnation.
C) Trust versus Mistrust.
D) Intimacy versus Isolation.
The final stage of life is a time of
A)
greater happiness than childhood.
B ) greatest security.
C) generativity or stagnation.
D) ego integrity or despair.
Answer:
According to Erickson, wisdom is associated with the stage of ---
A). Ego integrity and despair
The final stage of life is a time of ---
D).Ego integrity and despair
Explanation:
Ego Integrity Vs despair
According to Erickson, the personality development of a human being is characterised by eight stages psychosocial development staring from infant to adulthood.
Ego integrity Vs despair is the final stage and the eight stage of Erickson's theory of psychosocial development. It is believed that this stage starts at the age of 65 years and continues till death. After we attain 65 years of age, we tend to become unproductive and we feel guilt of our past and a sense of depression feels our mind and we feel depressed and full of guilt. But if we achieve success at this age of life, it will lead to a virtue of wisdom. Thus wise people at this age has a sense of both integrity and despair.
Wisdom is associated with the stage of Ego Integrity vs. Despair, and the final stage of life is a time of ego integrity or despair.
Explanation:According to Erikson, wisdom is associated with the stage of Ego Integrity versus Despair. This stage occurs in late adulthood when individuals reflect on their lives and either experience a sense of satisfaction and fulfillment (ego integrity) or feelings of regret and despair (despair).
The final stage of life is a time of ego integrity or despair. It is a time when individuals look back on their accomplishments and experiences, and assess whether they lived a meaningful life. If they feel a sense of satisfaction and acceptance, they will develop ego integrity. However, if they feel a sense of disappointment or regret, they may develop despair.
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Within a spaceship moving at 99% the speed of light, what do you notice about the onboard clocks?
Answer:
It moves 7.088 times faster that a clock at rest.
Explanation:
Using Einstien's special theory of relativity we have
observer's Time = [tex]\frac{T_{o}}{\sqrt{1-(\frac{v}{c})^{2}}}[/tex]
where To is proper time
Applying values we get
Observer's time =[tex]\frac{T_{o}}{\sqrt{1-(\frac{0.99c}{c})^{2}}}\\\\=7.088T_{0}[/tex]
This for the clock on spaceship it moves 7.088 times faster than that on earth
The sun is properly classified as a type of:
A. star
B. planet
C. moon
Answer:
A star
Explanation: The sun is the brightest star in the solar system ,and is the only star that can be visible during the day.
Orographic lifting refers to
a.convection stimulated principally by local heating
b. lifting along the edges of conflicting air masses
c. forced uplift due to the presence of a physical barrier
d.none of the above
The correct answer is C. Forced uplift due to the presence of a physical barrier.
Explanation
When a current of air finds a barrier in its way, for example, a mountain, it is forced to overcome this obstacle, in this way, the air surrounds the relief that opposes and overcomes the barrier which is known in Geography as Orographic lifting.
This collision between clouds and land reliefs causes the phenomena known as windward and leeward, in which a side of the mountain works las a filter, because it takes the humidity of the clouds that clash in the mountains(windward), while the other side of the mountain or relief, receives dry air, making it a dry environment and in some cases arid (leeward). So, the correct answer is C. Forced uplift due to the presence of a physical barrier.
Which of the following occurs most frequently?
a.tropical storms
b.hurricanes
c. tropical depressions
d.they all occur with approximately the same frequency
Answer:
c. tropical depressions
Explanation:
Tropical depressions occurs most frequently.
Tropical depressions occur most frequently because they represent the initial stage of a tropical cyclone's development, from which they can evolve into tropical storms and subsequently hurricanes.
Explanation:The frequency of different types of tropical weather events can be understood in terms of their development stages. The stages are as follows: tropical depressions, tropical storms, and then hurricanes. Tropical depressions, with wind speeds between 25 and 38 miles per hour, are the initial stage of development. They can develop into tropical storms when winds reach between 39 to 73 miles per hour, which are then named. If the wind speeds exceed 74 miles per hour, a tropical storm is classified as a hurricane. Given this developmental progression, tropical depressions occur most frequently as they represent the starting point of what can potentially escalate into a more severe storm.
Tropical cyclones begin their life cycle as tropical depressions and can intensify into tropical storms and potentially hurricanes/major hurricanes if conditions are suitable. Therefore, tropical depressions occur more frequently since not all depressions will necessarily gain enough strength to become tropical storms or hurricanes.
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According to the textbook, “Many experts predict that the largest increase in demand for oil in the coming years will come from increasingly industrialized economies with large populations…” (p. 140)
Can this be offset by measures taken in developed nations to address the energy–climate crisis? Why or why not? What potential strategies could be used to reduce the demand for energy in industrialized economies with large populations?
1. While there is always the possibility of being an offset, the fact point that the increasingly industrialized nations with rapidly growing large populations are constantly using more and more energy and the trend seems that it will continue. These nations have industries that grow exponentially, as well as exponentially growing populations, thus providing lot of labor force. Unlike the developed countries, these countries don't bother with investments in renewable sources of energy, but they use strictly the fossil fuels, which will just make an even bigger environmental problem in the future.
2. The best strategies that can be used by these nations to not be such big consumers of the fossils fuels is that they invest, be it on their own or with foreign aid, into the renewable resources. Most of these nations have great potential for development of such energy sources. We can take Nigeria for example, which has lot of sunny days, as well as great hydropotential, so it can focus on these two for production of energy. Pakistan is a very windy nation, and it also has lot of sunny days, and on top of it has lot of uninhabited land that can be used, so it can focus on these two for production of energy.
Based on your knowledge of blackbodies, should the hotter star or the cooler star be more luminous
Answer:
Hotter star is more luminous.
Explanation:
A blackbody is an object that absorbs all the radiation incident on it. It does not reflect or let the radiation pass through it.
When the radiations are absorbed, the blackbody heats up. This results in the emission of radiation by the blockbody.
The amount of radiation the black body emits, depends upon the temperature of the blackbody. Therefore, greater the temperature of the blackbody, more the emitted radiation.
A star is very similar to a blackbody. So, if two stars are compared, then the hotter star will emit more light as compared to the cooler star.
Therefore, the hotter star will be more luminous than the cooler star.
Which of the following expenses is likely to be allocated in a nursing department's operating budget? A. Dietary B. Community relations C. Human resources D. Medical records E. All of these are correct.
Answer: All of these are correct
Explanation: There are typical expenses in the department of the nursing operation budget which are described as the revenues or expenses that are expected in a period of time . This includes diet related expenses, wages and stipend as human resources expenses .They also have medical records expenses in the nursing department and other allowances including community relations. Thus all the given option are correct.
3. What are salts like halite (table salt) and gypsum considered? Manganese nodules formed from precipitation out of the saturated water column b. Metal sulfides associated with hydrothermal vents Evaporite minerals formed from restricted open ocean circulation with high evaporation rates d. Carbonate deposits in tropical e. None of the above
Answer:
Evaporite minerals formed from restricted open ocean circulation with high evaporation rates
Explanation:
Salts like halite and gypsum are called evaporites.
Evaporites are chemical sedimentary rocks that forms when water in a basin(oceans, lakes) are restricted to flow and evaporation causes precipitation of the minerals dissolved in the water.
Halite and gypsum form insolube precipipate that accumulates over a long period of time in such an environment. The formation of evaporite largely depends on the dissolved load of a sediment and the environment of depositon of the load.
Tornadoes and hurricanes are both cyclonic storms, as well as most cyclones are tornadoes or hurricanes. True False
Answer: True
Explanation: Yes,tornadoes are small scale circulation produced by the winds and hurricanes are the strong circulation of the wind on the surface. So, both are considered as the wind swirling around the center in strong upward motion.
Hurricanes and tornadoes both are considered as the same cyclone because it appears in cyclic storm form and has downward motion at the mid of storm and circulation at the upward direction.
Fill in the blank regarding tides:
____________ describes a tide that occurs as water rises in a basin during a change from low tide to high tide.
Answer:
Flood Tides
Explanation:
Tides are the change in water level in oceans due to which waves are formed. Tides are of two types high tide and low tide.
The term change in ocean water level from high tide to low tide is called
"ebb tides" and the term change in ocean water level from low tide to high tide is called "flood tide".
Flood tides describe a tide that occurs as the water rises in the basin during a change from low tide to high tide.