Proteins are:

In a titration the long tube with a volume scale is a:

The charge on a sodium ion is always:

Which of the following may result if many people do what the young man in the picture is doing?

1. The rapid growth of cities
2. The growth of shanty towns and squatter settlements
3. The brain drain experienced by many developing countries
4. Inadequate housing, educational and health facilities in urban areas

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

2p² -15p + 25 =

A typical soil contains mineral particles, humus, water, air and:

If x = 2 and y = -1, then 3x - 5y / xy²

The bases and heights of a cylinder and a cone are the same. The volume of the cylinder is V cm³. What is the volume of the cone in cm³ ?

The decimal equivalent of ³/₈ is

Demersals are fish that are found:

Which of the following statements about photosynthesis is NOT true?

John Jones pays his employees by cash. How will he record this payment in his books?

Which one of the following is correct. When we digest our food:

All of the following are general purpose software EXCEPT __________.

The expansion of (x - 2)² is

Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.

A relationship between two organisms where one organism derives benefits from the relationship and the other organism derives no benefit, but is not harmed, is called:

After a 10% discount, an article is sold for $360. The price before the discount was

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