The number of electrons in a full electron shell is:
2. Question | Chemistry
Herbicides are used to destroy:
3. Question | Integrated Science
Which one of the following comparisons of inhaled and exhaled air is correct?
4. Question | Mathematics
$x is divided among three boys, Ryan, Keith and Andrew, in the ratio 2 : 3 : 7, respectively. If Andrew gets $15 more than Keith, what is the value of x ?
5. Question | Integrated Science
During adolescence, boys:
6. Question | Chemistry
A liquid compound that conducts electricity is:
7. Question | Mathematics
The perimeter of a rectangle is 26 cm. The rectangle is converted to a square by tripling the width and taking a quarter of the length. What is the perimeter of the resulting square?
8. Question | English A
Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.
As a result of the need for trained staff, the firm had to dismiss several workers.
9. Question | Chemistry
All of these are compounds EXCEPT for:
10. Question | Mathematics
What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?
11. Question | Biology
The scientific name of an organism is derived from its:
12. Question | Mathematics
The value of 5 in the number 357.21 is
13. Question | Chemistry
Nitrogen fixation produces:
14. Question | Biology
The length of an insect such as a grasshopper increases in steps.This is because:
15. Question | Biology
All of the following are components of an ecosystem EXCEPT for:
16. Question | Integrated Science
Some plants reproduce by forming bulbs. The new plants that grow from the bulbs will be genetically identical
because:
17. Question | Mathematics
A square has the same area as a rectangle with sides of length 9 centimetres and 16 centimetres. What is the length of the square?
18. Question | Biology
The main site of action of ADH (antidiuretic hormone).
