The public health measures that are most effective against pathogens transmitted through common vehicles are the water purification and food safety regulations. The most common vehicles or modes of transmission of infectious pathogens includes water, food, air, or the blood during transfusion. Ensuring use and supply of clean water and also safety food regulations may reduce the spread and transmission of disease causing pathogens.
The answer is dependent variable.
The thin, upright shoot of a moss plant isn't considered a true stem because it has no vascular tissue.
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It practically means that the air in the city has less than a third of water vapor it could contain under the same circumstances.
Relative humidity is the ratio of water vapor that the air contains to the maximum amount it could carry at the same temperature.
When the humidity is high, the water vapor in the air is a variety more, and vice versa.
Answer:
Phytoplankton use sunlight, carbon dioxide (CO2) and water, in a process called photosynthesis, to produce organic compounds which they use for food and to make their cells. The waste product of photosynthesis is oxygen.
Explanation:
