Correct Answer: A. cotton,millet and groundnut

Correct Answer: C. Cleopas and one other disciple

Explanation

(a) The characteristics of the following are;

(i) Granite

(i) Granite contains large crystals

(ii) They do not occur in layers or strata

(iii) They do not contain fossils which are the remains of plants and animals embedded in rocks.

Limestone:

(i) Limestone is arranged in layers or stata

(ii) They contain fossils

(iii) The rock is non-crystaline in structure

(iii)Graphite:

(i) Graphite is not crystaline

(ii) It is arranged in layers or strata

(iii) It may contain fossils

(b)(i)Graniteis formed from the cooling and solidification of molten magma ejected from below the earth crust. It cools before reaching the surface of the earth hence granite is called a plutonic or intrusive igneous rock

(ii)Limestoneis formed from the remains of living organisms such as corals or shellfish. These remains have been cemented together under the influence of water to form organic sedimentary rock

(iii)Graphite is formed from pre-existing sedimentary rock called clay which have changed or metamorphosed to a new rock as a result of the influence of heat and pressure. Graphite is an example of metamorphic rock.

Correct Answer: C. only odd harmonics are possible in closed pipes

Correct Answer: B) plotting their solubility curves on the same axes

Correct Answer: A. N14 680

Correct Answer: B) marketing

Explanation

The options given are: production, marketing, finance, and personnel.

Out of these options, the correct answer is marketing. Marketing is the function of business that is closely connected or dependent on the other functions. It supports and enhances the other functions by promoting and selling the products or services produced by the business. Marketing helps in identifying customer needs, creating and communicating value, and building relationships with customers. It works closely with production, finance, and personnel to ensure that the products or services are produced efficiently, financed appropriately, and the right people are hired to carry out the business operations.

On the other hand, production is the function that deals with the process of creating goods or services, finance deals with managing the financial resources of the business, and personnel deals with managing the human resources of the business. While these functions are important, marketing is considered as the appendage because it supports and connects with all the other functions to ensure the success of the business.

So, the correct answer to this question is Option B: marketing.

Note: It is important to remember that the term appendage in this context refers to a function that is closely connected or dependent on the other functions, rather than being less important or inferior.

Correct Answer: D. brokers

Explanation

The reasons for political instability in Nigeria after Independence are:

(i) Economic mismanagement: Politicians embarked on prestigious and economically unviable projects which did not benefit the citizens.

(ii) Embezzlement and mismanagement: There was embezzlement and misappropriation of public funds by different regimes.

(iii)Election rigging and persecution of political opponents remain the order of the day.

(iv) There is complete disregard for the constitution and the rule of law.

(v) There is tribalism and nepotism, particularly in the appointment of public officers and in the distribution of amenities.

(vi) There is always disagreement on the revenue allocation formula and control of resources among the ethnic groups.

(vii)There is political interference in military affairs.

(viii)There is wide spread of religious intolerance and violence which threatened national unity

(ix) The politicians engage in a lot of bribery and corruption.

(x) The initial psychological impact of coups in neighbouring African states also led to instability in Nigeria.

(xi) The desire of political leaders to stay long in power is also responsible for the instability.

(xii)Census figures which were inflated by the component regions or states that make up the country also led to political instability.

(xiii)There is economic hardship caused by inflation and unemployment.

(xiv)External influence from big nations and institutions also promote instability in the country.

Correct Answer: B. utilities