Answer:
The positive and negative charges do not exist.
Explanation:
The objects are uncharged, therefore there is no positive and negative charges.
Answer:
D. nothing
Explanation:
Cobalt is one of the abundant in the Earth with a chemical configuration of
[Ar] 4s²3d⁷ and has oxidation states Co(ii) and Co(iii).It has two oxidation numbers +2 and +3.In nature Cobalt is found together with iron, nickel, silver and arsenic. It mostly resembles nickel and its significant application is in production of alloys such as Stellite.
Explanation:
A freezing point is defined as the point in which a liquid state of a substance changes into solid state.
Whereas boiling point is defined as the point at which liquid state of substance starts to convert into vapor state.
So, a substance is freezing at 
and boils at 
then it means at room temperature, that is, around 
the substance is present in liquid state.
This is because between the freezing and boiling point a substance will always exist in liquid state.
Thus, we can conclude that state of the material at room temperature is liquid.
Answer:
quantity A is mass and quantity B is wieght
The answer is:
It will float
