Biology, 02.10.2019 05:30 batmanmarie2004

What is the biological risk of using salt on icy roads in parts of the country that have a cold winter season?

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The biological risk of using salt on roads that are icy in country that have a cold winter season would be that the salt would have a risk of leeching in the ground and would create a hypertonic system for plants. With this system, the water in the plant cells would leave the cell resulting to the shrinking of the cells which is not a favorable condition for cells.

Answer from: ellycleland16

Salt has the property to absorb the heat energy of the ice and helps in melting down the ice. It means it lowers the freezing point of the ice. This is the very reason, salt is used to clear the ice clogs in the roads.

When the salts sprinkle on the ice, the ice strats melt and the salt water goes to the nearby water bodies. Here it increases the salt concentration of the water. This result the isotonic water becomes hypertonic.

This higher concentration of water creates problems in osmotic balance in aquatic organisms. The salt by mixing with sail enhance the salinity of the soil. When the plants take extra salt from the soil, it increase the water stress of the plants.

The sprinkling of salt water on the leaves of tree, blocks the pores of the leaves. It disturbs the gas exchange of the plants.

Answer from: Quest

answer: - b cells

explanation: -

there are many types of white blood cells present in our body. one such class of white blood cells are the lymphocytes. the b cells belong to the lymphocyte class of wbcs. the b cells perform their action against the pathogen by producing specialised proteins called as antibodies. these antibodies are produced as and when the b cells encounter pathogens in response to the antigens present on the surface of the pathogen. these antibodies bind to the antigens present on the pathogen and then, target them for destruction by other cells of the immune system.

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

Answer from: Quest

i think its the first one

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What is the biological risk of using salt on icy roads in parts of the country that have a cold wint...

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