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:
Histology of Nervous and Muscle Tissues Physical Fitness Cell Cycle Muscle System Anatomy Bones Antibiotic in Orthopaedics Fungi/Bacteria/Biotechnology Genetic Engineering The Brain Dentistry EM Spectrum Trauma Cardiac & Diseases of Blood Flow The Blood Muscles and MovementsOther quiz:
Vitamins › ViewIt is most commonly known for its role in fetal health and development as it plays a critical role in the proper development of the baby’s nervous system.
A. Biotin
B. Folic Acid
C. Cobalamin
D. Thiamin
Respiratory System › View
Barbara has asthma and uses an inhaler when she starts to wheeze. The purpose of the device is to:
A. Dissolve mucus
B. Contract blood vessels
C. Liquefy secretions in the lungs
D. Enlarge the brochioles