Answer:
Alpha is the least penetrating radiation listed below.
Gamma is the most penetrating radiation in the given list.
These rays can be used to detect cancer, sterilizing the medical instrument, smoke detector, etc.
Radiation emitted from the radioactive elements also have very harmful. They affect the living being a lot. Waste from the nuclear reactor also contains harmful radiation which causes Land pollution if not disposed of properly.
You find the net force by subtracting.
I believe it is D. Earth spinning on it's axis.
Answer:
The act of using senses or tools to gather information is called <em>Obser</em><em>vation</em><em>.</em>
Over time, yes. It will over time gain more momentum