The method by which certain uranium and plutonium nuclei can release energy in a reactor is known as:

For Mg++ to turn into an atom of magnesium metal it must:

One Faraday represents:

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

If U = {1, 2, 3, . . . 10 } and S = { 2, 4, 6, 8, 10 }, then S ' =

In making bread the enzymes in yeast break down starch to give:

A species of mouse has 32 chromosomes in its muscle cells.What will be the numbers of chromosomes in the mouse′s skin cells and sperm cells?

Two resistors, one of 4 Ω and one of 6 Ω, are connected in parallel.Their combined resistance is:

Which one of the following is NOT a magnetic material?

A financial institution needs only to provide the caller with a limited amount of information. A __________ system is ideal to satisfy this need.

A business operates its petty cash on the imprest system. At the beginning of the month the petty cashier was given $20.00 out of which she spent $15.20. How much will she be reimbursed?

Which of the following nutrients is/are digested in the stomach?

How many subsets does the set {a, b, c, d, e} have?

In a school of 910 pupils, ²/₅ are girls and ²/₇ of the girls play netball. How many girls play netball?

Eight bits are called a __________.

Which of the following is a subset of {b, c, d}?

Herbicides are used to destroy:

The simplest ratio of atoms in a compound is given by the:

Which one of the following gases is considerably heavier than air?

In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is: