The chemicals that make up the bodies of animals and plants are called:

Which of the following does NOT contribute to unemployment?

The term __________ designates equipment that might be added to a computer system to enhance its functionality.

To which category of software does Microsoft Works belong?

In electrolysis the anode is the:

A man bought a shirt at a sale. He saves $30 on the normal price when he paid $120 for the shirt. What was the percentage discount on the shirt?

The type of bonding that involves loss or gain of electrons is called:

Which of the following statements about anaerobic respiration is true?

The site of reabsorption of MOST of the water from the filtrate.

An example of an air pollutant is:

The only one of the following which is NOT a change of state is:

Sweating can help to cool the body. This cooling is achieved mainly by:

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

If an increase of 20% will change the price of an item to $480, what is the original price of the item?

All of the following are features of a gas exchange surface EXCEPT for:

A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.

The optimum pH for most enzyme action is:

Which of the following properties of water is not important to the survival of living things?

Instructions: Choose the one NEAREST in MEANING to the original sentence.

The news shocked me so much that I almost forgot what I wanted to say.

All gas exchange surfaces in vertebrate animals have: