Birds and bees. Adam and Eve
Answer:
This description needs a unit describing the system of measurement.
Answer:
Star's
Explanation:
Stars have their own brightness
Option (a) is correct.
A reducing agent is the one which loses electrons to other substance.
Here, Zn has oxidation number 0 in the L.H.S of the equation, but on R.H.S its oxidation number is +2 i.e. it Zn has donated two of its electrons to

.
Hence, Zn is the reducing agent here.
Answer:
4
Explanation:
4.They are different states of the same pure substance