How could an alpha particle strike the phosphor screen on the same side of the foil as the alpha particle source?

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .