★ Human Eye and Colorful World Quiz
The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light
A. moves fastest in air
B. is absorbed the most by smoke or fog
C. is scattered the least by smoke or fog
D. is scattered the most by smoke or fog
Select your answer:
Topics:
The Cardiovascular System OCR A-level Immune Response Cell Theory Understanding Psychology Nervous System Vision & Hearing Skull Disease and Immunity Cell Cycle Problems Heart Tenses DNA and Genetic Manipulation Corona Introduction to Mycology Infectious Diseases SomatotypesOther quiz:
Skin › ViewThe root word “therm” means…
A. skin
B. heat
Digestive System › View
gastrorrhagia
A. Discharge of blood from the stomach.
B. Bursting forth of blood.
C. Spitting up blood (from the respiratory tract).