<span>Test the niobium sample to see whether it now contains other elements.
The 2nd choice doesn't work because niobium oxides aren't radioactive (unless the niobium itself was radioactive, but you can't tell with this method).
The last 2 choices don't work because temperature and pressure don't affect the rate of decay.</span>
Answer: if ur talking abt a project,
yes, there will have to be a way to see how it looks like so it can't be a full box. so like the front or the top or anything has to be cut.
plus, if the water cycle itself would have to be printed to be a box shape
if not in a box shape, it can be inside a box. that would make it any shape but it's still in a box.
Explanation:
Answer:
uranium (U), radioactive chemical element of the actinoid series of the periodic table, atomic number 92. It is an important nuclear fuel.
...
uranium.
atomic number 92
specific gravity 19.05
oxidation states +3, +4, +5, +6
electron configuration of gaseous atomic state [Rn]5f 36d17s2
Answer:
scavenger- eats dead carcasses
Explanation: