Question

4. Three shining iron nails are kept under the following conditions,
A)Kept open in a test tube containing wet cotton B)Kept in a closed container containing quicklime​

Answer 1

Explanation:

Q3. If ata = m, a a=

- En

a = 0, find the relation between m and n.

A. m2 - n2 = 16

B. m2 - n2 = 4

C. m2 + n2 = 4

D. m2 - n2 = 64

Sorry i really don't know the answer