Definitely smoking. That’s the prime cause of lung cancer.
Answer:
From the deepest ocean trench to the tallest mountain, plate tectonics explains the features and movement of Earth's surface in the present and the past. Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core.
Explanation:
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In the grassland trees and shrubs are rarely anywhere compared to the temperate forest. The animals don’t have a lot of shelter in the grasslands compared to the temperate forests.
To breathe, they use the <span>the carbon dioxide. Carbon dioxide is the main element which help the organisms to breathe.</span>
<span>The group of nursing students show their understanding of expectorants when they are able to identify the medication called guaifenesin. Guaifenesin is sold under the brand name Robitussin. Guaifenesin, an expectorant, is used in Robitussin specifically to relieve a person's cough and chest congestion.</span>
