The number 2549 written to 2 significant
figures is
2. Question | Chemistry
The metal used in food containers whose surface is protected by a strong oxide layer is:
3. Question | Biology
Plants lose water through their leaves by the process of:
4. 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?
5. Question | Information Technology
__________ enables users to convert the image from a fax modem to text and then edit it.
6. Question | Information Technology
Eight bits are called a __________.
7. Question | Mathematics
In the diagram, B is due north of A; C is east
of B, and AB = BC.
8. Question | Biology
Vaccination causes a person′s immune system to produce:
9. Question | Chemistry
None of these solutions in water conducts electricity EXCEPT for:
10. Question | Biology
Osmosis is:
11. Question | Social Studies
THE ITEM refer to the following dialogue.
Sita: When Marvin was group leader he was always ordering us about.
Paul: Me, I prefer a group leader who allows members to do as they please.
The leadership style of Marvin as described in the dialogue above is.
12. Question | Chemistry
When potassium burns in chlorine, the material that is oxidised is called:
13. Question | Mathematics
A rectangular tank is 100 cm long, 30 cm
wide and 12 cm deep.
The volume of liquid it will hold is
14. Question | Mathematics
In a box, there are 3 white, 4 red and 2 blue
marbles. What is the probability that a
marble taken at random is NOT blue?
15. Question | Chemistry
Particles are furthest apart in:
16. Question | Biology
A student observed a plant cell through a microscope and made an accurate drawing of the cell.
If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real
diameter of the cell?
17. Question | Biology
AIDS is a killer disease because:
18. Question | Chemistry
One example of an emulsifying agent is:
19. Question | English A
Instructions: Choose the one NEAREST in MEANING to the original sentence.
If students' efforts are rewarded they would be encouraged to work harder.