Answer:
PCBs and DDT are chemicals that were banned more than 30 years ago, but our air, water, land, and bodies are so contaminated that decades of cleanup efforts have yet to eliminate their threats to our health. Today, food is one of the most likely exposure routes to PCBs.
Animals use this type of physical act to reproduce another type of their species. Mostly to impress or make the type of gender to fall in love.
Anything that is thermal examples are:
boiling/steaming water
Answer:
The three parts of an amino acid are the carboxyl group, the amino group, and the central carbon that contains the R group.
Explanation:
