Calculate the effective capacitance of the circuit in the diagram given

• A. 4μf
• B. 3μf
• C. 2μf
• D. 1μf

In capitalist economies, questions about what to produce are ultimately answered by

• A. income level of households
• B. available technical skills in the economy
• C. output decisions of firms
• D. holding decision of households

Effective supply is the total amount of a commodity

• A. from a single producer
• B. in the warehouse of producers
• C. offered for sale at a market place
• D. produced for the market

A perfect emitter or absorber of radiant energy is a

• A) conductor
• B) black body
• C) white body
• D) red body

The following farming practices expose the soil to agents of erosion except

• A. bush burning
• B. land clearing
• C. crop rotation
• D. overgrazing

Which of the following wave is electromagnetic?

• A. x-rays
• B. sound waves
• C. water waves
• D. tidal waves

How many electrons are removed from Cr How many electrons are removed from Cr₂^- when it is oxidized to CrO₄^2-?^-

• A. 0
• B. 2
• C. 4
• D. 8

The international cartel formed to stabilize the world oil market is the

• A. Economic Commissioner for Africa
• B. International Monetary Fund
• C. Organization of Petroleum Exporting Countries
• D. Organization of Petroleum Importing Countries

A consequence of global warming is

• A. air pollution
• B. water pollution
• C. increased humudity
• D. flooding

If 8x- 4 = 6x- 10, find the value of 5x,

• A. -35
• B. -15
• C. -3
• D. 3