Answer:
1440
Explanation:
Members except president, secretary and joint secretary = 9−3=6
Their arrangement = 6!
No. of arrangements of secretary and joint secretary at wto places
=2!=2
Total arrangement =2×6!
2 x 6! = 1440
1.Flammability
2.Solid
3.All of the above are evidence of a chemical reaction.
4.False
5.Aluminium
6.Potassium Iodide
7.False
8.Single Replacement
9.Adding more powdered drink mix
10.0.77g/cm³
The answer is cell. cell is the basic unit of humans