Tailings
Slurry is a liquid concrete or cement
Impoundments are enclosures of water
I would say C! Most developing countries have high birth and death rates, while developed countries are more steady.
Test tube babies are a babies conceived by in vitro fertilization.
in virto fertilization is a process by which an egg is fertilised by sperm outside the body.
hope this helps :)
Answer:
what's the question i don't understand