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

An alternate form of a gene is called an:

The electrical charges on a proton and an electron are:

Iron chloride can be prepared from the reaction of iron and:

Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is

The area of the trapezium ABCD above is

A political campaign is a method used by political parties to

In the eye, rays of light are focussed on the retina by being refracted at:

In the figure above, AB || CD and ∠BAD = 32° . ∠APC =

The splitting of a beam of white light into the colours which make it up is called:

The rate of reaction between marble and hydrochloric acid can be speeded up by using:

Which of the following is the MOST important aim of the trading arrangements within CARICOM?

In electrolysing a solution of copper sulphate using copper electrodes, the anode:

The gas that relights a glowing splint is:

Why is testing a leaf for starch a reliable indication that photosynthesis has taken place?

$x is divided among three boys, Ryan, Keith and Andrew, in the ratio 2 : 3 : 7, respectively. If Andrew gets $15 more than Keith, what is the value of x ?

Veins have valves because

THE ITEM refer to the following dialogue.

Sita: When Marvin was group leader he was always ordering us about.

Paul: Me, I prefer a group leader who allows members to do as they please.

Paul′s statement indicates that he prefers a leader with a style that is

Given ƒ : x -> 3x - 1, and g : x -> x², then ƒg(-2) =

In the equation, carbon monoxide + oxygen → carbon dioxide, a reactant is: