Poultry products are a likely source of infection by Salmonella enterica
which causes typhoid.
Most farm animals such as pigs, cattle and poultry have been found to be
infected with Salmonella enterica as a result of their contact and exposure
to a dirty environment.
This is why it is advisable to apply much heat on poultry products such as
eggs to kill the micro-organism.
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Answer:
The correct answer is <em>c. animal wastes and fertilizers. </em>
Explanation:
Two major sources of nitrate pollution are farming and breeding activities. There are also certain industrial activities involved in nitrate pollution, but in general, these industries are related to agriculture.
The indiscriminate use of fertilizers for several years in intensive productions produce high nitrate concentration in soil and consequently elevate the risk of nitrate lixiviation.
Breeding animals produce nitrate pollution by their wastes, which accumulate and are not treated. These wastes include flesh, hair, feathers, skin, fat, liquids, excrements, among others. These wastes are an important source of nitrate.
In many cases, animal wastes are used by farmers as organic matter to improve their production. But excessive and incorrect use of it might produce severe damage in water sources.
Answer: when a mixture of sediment sizes in water settles out reap idly a horizontal bed, or layer, develops with the sediment size decreasing from the bottom to the top. This is called graded bedding and is common on sloped ocean bottoms and on lake bottoms where flooding streams rapidly decrease in velocity.
Explanation:
<span>The type of protein is like brick that can be stacked up like columns having the nerve cell its shape is called structural protein. Structural proteins help cells extend these branches mentioned above and hold them in place.</span>
It sprouts hope this helps!!!!!
