Answer:
The components of he respiratory system conduct air to the lungs ,such as the trachea (windpipe) which branches into smaller structures called Bronchi . The process of breathing (respiration) is divided into two distinct phases , inspiration (inhalation) and expiration (exhalation).
Explanation:
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The right answer is to the question is D.Sr
Answer:
Internal factors include particle-size distribution, organic matter content, mineralogy and water content of the soil. Externally applied forces are generally mechanically applied forces, the primary source of these being vehicular traffic
Explanation: