A section of the crust moves under another section of crust without changing the land above. From the surface thebprocess would seem to be

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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може ли да зареждате повече информация, моля

wher is the rest of the question

its pwirhfpiwe

explanation:

because dgjpwojefopjwp