A. Eyes
B. Nails
C. Gums
D. Nostrils
Gingivitis – inflammation of the gum at the necks of the teeth, and. Periodontitis – inflammation affecting the bone and tissues of the teeth
A. Voyager 1
B. Pioneer 10
C. Eris
D. New Horizon
Night vision is possible with the help of ___________?
A. Red light
B. Violet light
C. Infrared Rays
D. Ultra violet Light
E. None of these
what are stars mainly made of ?
A. Balls of gass
B. Rock
C. Ice
D. Light
We get day and night because the Earth ss (or rotates) on an imaginary line called its axis and different parts of the planet are facing towards the Sun or away from it. It takes 24 hours for the world to turn all the way around, and we call this a day.
“Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?
A. Aufbau principle
B. Pauli exclusion principle
C. Hund’s rule
D. Periodic law