Correct Answer: A. contribution of each department to profit

Correct Answer: D. high cost projects with low utility values

Explanation

The correct option is D. high cost projects with low utility values.

The idiom white elephant refers to a possession, venture, or project that is extremely expensive to build and maintain, but yields very little value or practical use.

Correct Answer: C. Arctic ocean

Correct Answer: C. irony

Explanation

A Geographical account of the Cross River Plains under the following headings:

(a) Climate: (i) Sub-equatorial (ii) Rainfall all throughout the year (iii) Rainfall is heavy (iv) Rainfall is over 3000 mm per annum has double maxima rainfall

(v) Mean annual temperature is between 21°C—30°C (vi) Daily temperatures ranges between 2°C -- 3°C (viii) Prevailing winds are south west trade winds

(ix) Cloudy skies (x) High relative humidity of over 80% (xi) Rainfall is convectional accompanied with thunder and lightening.

(b)Economic activities: (i) Fishing (ii) Farming (iii) Tourism (iv) Industrial activities (v)Communication

(vi) centre (vii) for education research (viii) Government job (ix) Hospitality industry (x) Commerce/trading

(xii) Mining (xiii) Lumbering (xiv) Transport operations.

(xi) Local craft

(c) Problems of development: (i)environmental degradation (ii) loss of grazing lands (iii) loss of drinking water

(iv) resettlement problems (v) occupational dislocation (vi) conflicts over sharing of resettlement allowances

(vii) health problems/diseases (viii) pollution (ix) poor transport network (x) inadequate landmass for development

(xi) youth restiveness (xii) mismanagement (xiii) pests (xiv) soil erosion/leaching

(xv) occasional flooding/poor drainage

(xvi) sparse population/dispersed settlement (xvii) inadequate infrastructure

Correct Answer: B. x = -2 or 7

Explanation

(x + 2)(x - 7) = 0

x + 2 = 0 \(\implies\) x = -2

x - 7 = 0 \(\implies\) x = 7

x = -2 or 7

Explanation

Conditions necessary for a free and fair elections include:

(I)Security: The security in place must be adequate to cover electoral officials, voters, as well as the materials needed for elections.

(ii) Electoral Commission: There is the need to have an independent electoral commission capable of handling all elections, without external influence.

(iii) Registration of Voters: Voters should be duly registered with voters cards issued to them. Also there is the need for a periodic revision of voters' register.

(iv)Electoral Officials:There is the need for the training of the people employed as electoral officials. Impartiality should be their watchword in their official assignment.

(v) Secret Voting: Voting at elections should be secret. Secret voting has a universal acknowledgement more than the public voting.

(vi)Judiciary: The judiciary should be independent and impartial. It should work without fear or favour.

(vii) Delimitation of constituencies: There should be proper delimitation of constituencies to pave way for effective administration of elections.

(viii)Campaign: All the registered political parties should be given a free hand to carry out their campaign programmes without any hindrance.

(ix)Election tribunal/Courts:Individuals or parties not satisfied with the outcome of the election results are free to go to court and contest it.

Correct Answer: D. Potassium dichromatic-sulphuric acid

Correct Answer: A. between

Correct Answer: D. -3, 9/2

Explanation

2a² - 3a - 27 = 0

2a² - 9a + 6a - 27 = 0

a(2a - 9) + 3(2a - 9) = 0

(a + 3)(2a - 9) = 0

a = -3 or a = 92