1.

Emission of positron is found in

Answer»

`""_1^2H + ""_1^2H to ""_2^4He`
`""_1^2H + ""_1^3H to ""_2^4He`
`4""_1^1Hto ""_2^4He `
`""_1^3T to ""_2^3 He `

ANSWER :C


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