The following diagram shows a model used to show how breathing movements take place:

Which part of the model represents the diaphragm?

The catalyst in the Haber Process is:

On May 1, a petty cashier received Imprest of $150. During the month, petty cash expenses amounted to $77.00 and $2.00 was received from a member of staff who made a personal telephone call. How much cash is needed to restore the imprest on 31 May?

In the Trading Account Returns Outwards is deducted from

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

Which of the following BEST characterizes a primary group?

Hydrochloric acid forms salts called:

The main taxonomic groups in order, starting with the largest, are:

In an atom the neutron is found:

The main metal in tin cans used to preserve food is:

The major plant nutrients written as NPK refer to phosphorus, nitrogen and:

In the Venn diagram above, the shaded portion represents

The interest rate on investments in a bank increased from 5 per cent per annum to 6 ¹/₂ per cent per annum. The difference in annual interest on a deposit of $4000 is

How many grams are in 2 kilograms?

Which of the following can cross the placenta from mother to fetus?

If a flask containing marble and acid is placed on a balance, the mass decreases steadily with time, which means that:

An insoluble metal oxide can be described as:

A trader received an invoice for $4,000 less 25% trade discount. Subsequently he returned one eighth of the goods. What amount would be entered in his Returns Outwards Account?

The decimal equivalent of ⁷/₈ is

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