Reflection
Source: This question is taken from the Everyday Science
Oxygen – Carbon dioxide
zinc
Pulsar
Vitamin C
Lithosphere
Electropositive
Goat
Ethyl Mercaptan
fluorine
Speedometer
Artificial Active
Magnetosphere
Uranium Plutonium Oxide
EEG (Electroencephalogram)
Ethanol
Eratosthenes
71%
Saturn, Neptune, Nitrogen
Hydrogen and Helium
Infrared Rays
7
Vitamin B-12
Atoms
78% Nitrogen
32 feet
4
1.3 seconds
Both A & B
Salt
optic disc