The workplace should be:

In an airport, a system consisting of sensors, bar code readers and remote controls is MOST LIKELY used for __________.

The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:

The two main protein groups are globular and:

Which of the following is a prime number?

Which of the following BEST explains why birth rates have been falling in some Caribbean countries?

The Earth′s first atmosphere contained all of these gases EXCEPT for:

The marked price of a bicycle was $260. A man bought the bicycle on hire-purchase by making a down payment of $100, and twelve monthly payments of $16 each. How much could he have saved if he had bought the bicycle for the marked price?

The standard atom used for mass calculations is:

Which of the following characteristics MUST ALL formal groups possess?

1. Membership requirements
2. Code of conduct
3. Specific objectives
4. Elected leaders

All of the following are non-metals EXCEPT for:

The perimeter of a rectangle is 26 cm. The rectangle is converted to a square by tripling the width and taking a quarter of the length. What is the perimeter of the resulting square?

The main parts of the human circulatory system are:

An electron, with its charge of 1.6 × 10^-19 C, is moved from one place at +8 V to a different place which is at 0 V.The energy released will be:

How many grams are in 2 kilograms?

A lens forms a real image of magnification ×3.Which one of the following statements is NOT true?

1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:

Which of the following tests describes the test for glucose?

Candied fruits are preserved in a strong solution of:

What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?