I think the answer would be <span>b.Nuclear energy produces little air pollution.</span>
Without mechanical ventilation to provide fresh air, moisture, odors, and other pollutants can build up inside a home. Mechanical ventilation systems circulate fresh air using ducts and fans, rather than relying on airflow through small holes or cracks in a home's walls, roof, or windows.
Answer:
b. G
Explanation:
In RNA transcription, uracil pairs with adenine instead of thymine.
