the gas used in welding is shielding gas
You could, dig a 6ft hole. put the body down cover it then kill an animal or a bird then put that on top of the buried body and cover it with dirt then boom if a dog comes with that sniffer they’ll find the bird but not the body, you also have to take clothes shoes anything in blood and clean then discard it
Answer:
C. The first animals that could live both in water and on land appeared during the <u>Paleozoic Era</u>
