Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.
Answer:
Both A and B
Explanation:
Burning fossil fuels produces carbon dioxide.
Cellular respiration produces carbon dioxide.
Both produce carbon dioxide.
Both A and B.
Answer:
Ascending tracts
Explanation:
The spinal cord consists of ascending and descending tracts. The ascending tracts are sensory pathways that travel through the white matter of the spinal cord, carrying somatosensory information up to the brain.
Electrical power plants are the main contributor of <span>sulfur dioxide pollution.</span>