In many Caribbean countries the Queen of England is the head of state.
Such countries may be described as
2. Question | Biology
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?
3. Question | English A
Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.
To conceal his true activities, the spy quickly ............ a plausible excuse for his presence there.
4. Question | Chemistry
When solid carbon dioxide turns straight into a gas we call it:
5. Question | Social Studies
Healthy individuals are beneficial to a country′s development because such individuals are likely to be
6. Question | Physics
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:
7. Question | Chemistry
The gas that relights a glowing splint is:
8. Question | Biology
Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus
9. Question | Chemistry
In metals, the particles forming the structure are all:
10. Question | Information Technology
What unit measurement is used to express the speed of memory?
11. Question | Chemistry
In the modern Periodic Table the elements are arranged:
12. Question | Information Technology
The term __________ designates equipment that might be added to a computer system to enhance its functionality.
13. Question | Mathematics
The area of the trapezium ABCD above is
14. Question | Biology
Which one of the following diagrams illustrates short-sightedness?
(F = Focal point)
15. Question | Chemistry
The number of atoms in this formula, H2SO4, is:
16. Question | Mathematics
The equation of the line which passes through the point (0 , -3) and has a gradient of 1/2 is
17. Question | Chemistry
The monomer used to make poly (propene) is called:
18. Question | Chemistry
If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:
19. Question | Information Technology
A financial institution needs only to provide the caller with a limited amount of information. A __________ system is ideal to satisfy this need.
20. Question | Biology
75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?