4b) visual observations as the sample is brought near the side of the flame, in the flame, and out of the flame, 4c) odor as the fibres burn, 4d) characteristics of the ash including the colour and texture. 4e) The man-made fibers will decompose and melt. much quicker than either the animal or vegetable fibers.
Bluefin tuna swim in a holding pen in Australia. A conservation group has named three fish species that it says are at risk of extinction. The fish are threatened because of overfishing to meet the worldâs growing demand for food.
The environment, water temperature, oxygenation, water flow, etc., are specific to specie. Most of the fish we seek in saltwater are pelagic fish. That is fish that follow a specific set of environmental conditions that will sustain their life, and lifestyle. Find the optimum environment, for the target species, and you will find the largest numbers of fish, and the biggest fish.