Answer:
I think A, "Primary pollutants from a stationary source"
Explanation:
Got it right on exam :)
Three animal that build nests besides birds include chipmunks, squirts and snakes.
Butter, lard and beef fat are all rich in unsaturated fats :)
Answer:
Nucleic acids
Explanation:
it is important for continuity of life and it carrys the genetic blueprint cells