__________ is a temporary holding area for data, application program instructions, and the operating system.

Decomposers are important in the process of decay because:

A girl whose weight is 250 N walks up a slope 40 m long onto a platform 3 m high. Her gain in gravitational potential energy is:

An alternate form of a gene is called an:

All the following software are examples of operating systems EXCEPT

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

The biased reporter is concerned not so much with the truth of what he writes, as with its credibility.

Which of the following sets has an infinite number of members?

Vaccination causes a person′s immune system to produce:

Some plants reproduce by forming bulbs. The new plants that grow from the bulbs will be genetically identical
because:

The catalyst in the Haber Process is:

We use expanded polystyrene cups for heat of reaction experiments because the cups are:

Which of the following is NOT transported in phloem?

g/dm³ are units of:

Which of the following devices are MOST LIKELY to be used at an airport for border control activities?

The water authority charges $20.00 per month for the meter rent, $2.00 for the first 1 000 litres and $0.20 for each additional 100 litres. What is the total bill for 2400 litres used in one month?

In a partnership maintaining fixed capital accounts, the net profit is appropriated to the

Which one of the following structures is responsible for controlling entry and exit of materials into and out of the cell?

If x is an odd number, which of the following is also odd?

Raising the temperature of a reversible reaction always encourages the:

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