Answer:
.5 grams
Explanation:
1 gram is equal to 1000 milligrams (mg)
Alpha particles, because they are the heaviest ones (helium nuclei) and will travel around the body.
Answer:
human body is answer according to our studies
Ventilation is very important because it helps remove the gas form people’s homes and schools and it redirects the random gas outside so it is less likely to hurt people
