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Factors that affect the surface tension of water is: a) Temperature; at high temperature decreases the surface tension of water. b) organic material and dissolved salts. The increase in salinity cause an increase in surface tension. Figure 15. Insects that can survive on the surface of the water due to surface tension Paremeter degree of acidity (pH of water) Water ...

Packing process is very important because it affects the quality of tuna during the journey. If the packaging is not good then the quality of the tuna will change when it reaches the export destination country. The export destinations of fresh tuna processing companies are Japan, the United States and the European Union. Things that need to be prepared for ...

To add to the attractiveness of a product, one of the packets / parts of packaging that is important to note is the packaging design. A design may be a trade mark at a certain time but we must also consider how long the product will last in its position. Therefore it is necessary to consider to renew the existing ...

The existence of benthic animals on a body of water, is strongly influenced by various environmental factors, both biotic and abiotic. Biotic factors that influence them is a manufacturer, which is a food source for benthic animals. The abiotic factors are physical-chemical water such as: temperature, flow, dissolved oxygen (DO), biological oxygen demand (BOD) and chemical (COD), and the amount ...

Seaweeds are marine organisms that have specific environmental requirements in order to live and grow well. The more appropriate environmental conditions the waters of the better growth and the better the results obtained. Seaweed will grow better than a certain depth which still gets good sunlight intensity, because sunlight is an important factor for the growth of seaweed. At a ...

While the notion of nekton marine animals are nektonik scattered epipelagik zone on the open sea. Nekton is a nautical marine organisms that are beneficial for humans, especially for the improvement of the nutritional and economic improvement. Piles of carcasses nekton is the basic ingredient for the formation of sea minerals such as gas and oil after a lengthy process ...