Which one of the following statements about ∝ particles is NOT true?

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

AIDS is a killer disease because:

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:

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

In the figure above, the shaded portion represents

The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is

Which of the following is a prime number?

A contractor completed five-ninths of a job before a second contractor completed an additional one-third. What fraction of the job is left undone?

Which one of the following lists only differences between aerobic respiration and anaerobic respiration?

Automated directory assistance services utilize __________ technology for accepting user input.

The expansion of (x - 2)² is

1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:

THE ITEM refer to the following family functions.

The family provides food, clothing and shelter for the children.

The air temperature on a particular day is 27 ℃. An air bubble trapped in a tube by a thread of liquid is able to expand freely if it is heated.At what temperature would you expect the volume of the air bubble to double?

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

All of the following devices are commonly used non-impact printers EXCEPT __________.

The point where two neurones connect is called:

To make fertilisers and explosives we need:

Each of the features of our bodies is controlled by a: