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Why ocean/ sea waters are salty? How does salt forms?

I think . It's 4.
Why you are declined to answer?

Of course 44

Not Zn2O . It is ZnO.
Zn never formZn2O

It's very easy . TRY IT...

Asking about possibility only. RIGHT!

The first cannot compress the second if they are made up of different materials.
It is possible only when both are in contact and the second is fixed at the other side.
If the second is not fixed...

No if coil are of equal size and made with different materials.YES ,if the both are in contact and the second is fixed.If they are not ,it is impossible to compress but it can push.

Convert cot in terms of cos&sin and solve.it's very easy

Insufficient Right! Angle theta is from...

I say that the nature of the atom depends only on protons.
What do you say about it?
I support myself with fusion reaction on the sun.
Eg- if I remove all electrons in Mg , I will get Mg...

41184

he has 13 utensils and he has to use 9 utensils and also one ball pen . So he has
13.12.11.4.3.2.1=51184