Problem $2.($Nuclear radiation$)$

A$.$ Pick all the correct statements about $-,-,$ and $-$rays

a$.,-$rays are a stream of positively charged particles

b$.-$rays are a stream of negatively charged particles

c$.-$rays are a stream of uncharged particles

d$.-$rays are a stream of positively charged particles

e$.-$rays are a stream of negatively charged particles

f$.-$rays are a stream of uncharged particles

g$.-$rays are a stream of positively charged particles

h$.,-$rays are a stream of negatively charged particles

i$.,-$rays are a stream of uncharged particles

B$.$ Pick all correct statements about $-,-,$ and $-$rays

a$.$ They all can ionize atoms

b$.$ They can all ionize the air between the plates of a capacitor, thus discharging it$.$

c$.$ Their penetration ranges are in the order $-$rays rays rays

d$.$ Their penetration ranges are in the order $-$rays $>-$rays $>-$rays