Hence, it is less preferrable to choose an isotope to enter your body, which will emit radioactivity for a long time, so we tend to choose isotopes, the radioactivity of which ceases quickly, so that the least possible amount of damage is caused to the cells
Answer: The total width of a crystal is 1.65 mm.
Explanation:
Horizontal length between the two molecules = 16.5 nm
Width of the 
molecules :
The total width of a crystal in millimeter=
The total width of a crystal is 1.65 mm.
Tiny organisms known as cyanobacteria, or blue-green algae.
Answer:
So you know the things about outer space like facts that you might not know
