What is hola?

koi h yaha​

ha main hun ✌️

hola is hello.

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8