Veins have valves because

The number of carbon atoms in the alcohol, pentanol, is:

A store charges 6% VAT on all sales. What is the total cost of a shirt marked at $30 ?

Instructions: Select the option A, B, C or D that BEST describe the sentence.

The politician hammered the nail of his argument into the leafy minds of his audience who had come to hear him speak on the difficult subject of monetary policy.

__________ enables users to convert the image from a fax modem to text and then edit it.

A machine costs $10,000. It has an expected life of six years and has a residual value Of $400. Using the straight-line method, what is the depreciation per annum?

In the modern Periodic Table the elements are arranged:

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

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

A store charges 15% VAT on all sales. What is the total cost of a TV set marked at $300 ?

The speed of a dot-matrix printer is measured by the number of __________ that it can print.

Which of the following represents numbers greater than -3 but less than 6 ?

Alcohol can be made by fermentation of all these EXCEPT for:

In the diagram, B is due north of A; C is east of B, and AB = BC.

The only common gas that turns moist red litmus paper blue is:

A and B had a partnership and shared profits and losses 2/3 and 1/3 respectively. They admitted C to the partnership. In addition to capital, C had to pay goodwill $3,600. How much did A and B receive as their respective share of Goodwill?

Which of the following statements about aerobic respiration is correct?

Biological catalysts in yeast are called:

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

Common salt can be used to make all of these EXCEPT for: