In Fishes excretory Product is__________?
A. Nitrogen
B. Ammonia
C. Uria
D. Carbon dioxide
Vexillology is the study of__________?
A. Flags
B. Signals
C. Vintage cars
D. Stamps
Who Won Nobel Peace Prize 2018?
A. Congolese doctor denis mukwege
B. Yazidi campaigner nadia murad
C. International campaign to abolish nuclear weapons
D. Both a and b