Answer:
Hey mate hope its help you........
The answer would be uranium and thorium. When an alpha ejects a particle, it will create a new atom. So, when uranium ejects an alpha particle, it will produce thorium. They call this process as the alpha decay. Alpha decay often happens on atoms that are abundant nuclei such as uranium, radium, and thorium.
Answer:
90° is the measure, hope this helped :)
Your white blood cells are fighting the pathogen (sickness)
I think it will be letter A tbh
Hope this helps you out