Border line which separates outer space from Earth’s atmosphere is known as___________
(A) Durand line
(B) Space line
(C) Venus line
(D) Karman line
Places experiencing equal impact of an earthquake are called_________________
(A) Seismic lines
(B) Seismic built
(C) Seismic plates
(D) Seismic waves
The atmospheric greenhouse effect is produced mainly by the __________________
(A) Absorption and re-emission of visible light by the atmosphere
(B) Absorption and re-emission of ultraviolet radiation by the atmosphere
(C) Absorption and re-emission of infrared radiation by the atmosphere
(D) Absorption and re-emission of visible light by clouds
(D) Absorption and re-emission of visible light by the ground
Which of the following chemicals is not found in tobacco smoke
(A) Chlorine bleach
(B) Rocket fuel
(C) Nail polish remover
(D) Barbecue lighter fluid
How does smoking cigarettes impact the red blood cells
(A) Decreases their ability to congeal
(B) Decreases their ability to carry oxygen
(C) Decreases their ability to reach their typical life duration
(D) Decreases their ability to cleanse wounds
Which of the following conditions related to smoking involves damage to the alveoli sacs
(A) Lung Cancer
(B) Atherosclerosis
(C) Emphysema
(D) Asthma
Periodontics deals with _____________
(A) Surgery of spine
(B) Â Stomach disorders
(C) Ligaments restoration
(D) Dentistry
(D) Heart attacks