A loudspeaker emits a steady note.A girl sings a note which is of lower pitch but higher volume. The sound wave she is producing has:

__________ refers to the number of bits that a microprocessor can manipulate at one time

Which of the following methods of fishing is MOST damaging to the eco-system?

If closing stock Were overstated by $1,000 at the end of a trading period, the error would result in an

An alternate form of a gene is called an:

The empirical formula, C₆H₁₂O₆, gives the simplest ratio as:

All of these elements form allotropes EXCEPT for:

Identify the order in which the ancestors of the Caribbean people arrived in the region.

1. Amerindians
2. East Indians
3. Europeans
4. Africans

In the eye, rays of light are focussed on the retina by being refracted at:

Atherosclerosis is a process in which:

Which one of the following foods contains the most energy per 100 g?

When metals react with acids they give a salt and:

Which of the following statements is true?

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 substances contains the elements carbon, hydrogen, oxygen and nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins

All of these are fractions from crude oil EXCEPT for:

3x - 4(x + 6) =

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

I formed the brilliant idea of climbing the fence and to hang from the top of the rail until the bull went away.

When something gets hotter, the particles in it gain more:

The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is