Answer:
It was the sudden appearance (over a 10my period) of many different organisms, which occurred approx 540-548 mya. ... So it can be away from sources of oxygen, preventing microorganisms from decomposing the organism.
The era began with the break up of one super continent and a formation of another one...
~Hope This Helps~
Sources of salmonella contamination include pet turtles, iguanas, and other reptiles. The term that describes the food poisoning caused by the salmonella bacterium is salmonellosis. Salmonella can be found most likely in following f<span>oods: </span><span>raw or undercooked eggs, raw milk, contaminated water, and raw or undercooked meats.</span>
To collect the water and mineral nutrients.
