Answer:
Option B
Explanation:
Growth of trees would increase the amount of carbon dioxide (atmospheric carbon) taken in for photosynthesis while releasing oxygen into the atmosphere, effectively lowering the level of atmospheric carbon.
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:
Biotic- living abiotic- non living
Biotic: sharks, corals, seaweed
Abiotic: water, the temperature of the water
With out the salt the vein would take in too much water and burst.