High density rural-agricultural population is a common feature of?

• A. Java, Western Europe and the Nile valley
• B. Java, the Ganges valley and the valley lowland of China
• C. the Ganges valley, the Rhur District and Central Europe
• D. the valley lowland of China, Java and the tokoyo- Yokohama region

The relative atomic mass of chlorine is not a whole number because

• A. it is the weighted average mass of all its various isotopes
• B. it is the average mass of all the isotopes of the element
• C. the element has strong oxidizing ability
• D. the atom contains a higher number of neutrons than protons

A person's deliberate decision to reduce the value of her currency is called

• A. deregulation
• B. inflation
• C. devaluation
• D. revaluation

Images formed by a convex mirror are always

• A. magnified
• B. behind the mirror
• C. real
• D. inverted

In a manufacturing company, the total cost of goods produced is equivalent to?

• A. purchases
• B. sales
• C. cost of goods sold
• D. cost of materials used

Argon is used in gas-filled electric lamp because it helps to?

• A. prevent the reduction of the lamp fillaments
• B. prevent oxidation of the lamp fillaments
• C. make the lamp fillament glow brightly
• D. keep the atmosphere in the lamp inert

In which system of government is the executive and legislature fused?

• A. Cabinet
• B. Presidential
• C. Unitary
• D. Federal

In each of the following sentences, there is one word underlined and one gap. From the list of words lettered A - D, choose the word that is most nearly opposite in meaning to the underlined word and that will, at the same time, correctly fill the gap in the sentences.

A bank clerk should be able to tell easily the difference between.........notes andcounterfeit one

• A. crisp
• B. good
• C. correct
• D. genuine

(a) Differentiate between plane polarization and interference as applied to waves.

(b) List two uses of polaroids.

Innal Halala bayyinun wa innal Harama bayyinun, wabaynahuma umurun mushtabihat la ya lamuhunna kathirun mina Nas.