One of the most important reasons for only using reliable water source is to reduce?
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Without laboratory testing, it is impossible to actually known what type of contamination that a water source have.
For all we know, a water source could contaminated with chemicals or bacteria that could caused internal infections within our body
The right answer is The number of parasites, such as Cyclospora Cayetanensis.
The health risks associated with water are due to the use of polluted water, unfit for the intended use, for example:
- Consumption of water (beverage, ...), live products or products grown in aquatic environments (shellfish, ...);
- Swimming ;
- Use in a hospital environment (hot water, ultra pure water, ...).
Depending on the pollutants, the health risk is of an infectious nature (viruses, bacteria, parasites, fungi), chemical (mineral, organic), or physical (thermal, radioactive).
The risks involved are more or less long term. Some are known and proven for health, and others are suspected or even emerging.
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- Bryophytes are a loose classification of three non-vascular land plant embryophytes: liverworts, hornworts, and mosses. They are typically small and prefer damp surroundings, however, they may thrive in drier ones. There are over 20,000 plant species in the bryophytes.
Answer:
Bryophytes are an informal group consisting of three divisions of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consists of about 20, 000 plant species.
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The differences in the mouse populations on Island A and Island B after 20 years will likely be due to genetic drift.
What is genetic drift?
Genetic drift is a mechanism of evolution that refers to random fluctuations in the frequency of alleles (versions of genes) in a population. These fluctuations occur due to chance events such as the random segregation of alleles during meiosis, the random distribution of gametes during fertilization, or the random occurrence of mutations.
Therefore, if the two groups of mice have similar genetic diversity and are placed in isolated environments with no mouse populations, the differences in the mouse populations on Island A and Island B after 20 years will likely be due to genetic drift.
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wetland swamp
peak of mount Everest
deep ocean floor
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B. iris.
C. pupil.
D. cornea.
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It expands and contracts allowing light to enter through the pupil
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Answer:
Here are the 3 ways:-
Explanation:
- Microbes are important for your skin, one of the body’s first lines of defense against illness and injury. Skin health depends on the delicate balance between your own cells and the microbes that live on its surface.
- Microbes are important to the body’s infection-fighting immune system. In one recent study, NIH scientists examined special mice that were born and raised to be germ-free. These mice seemed to have weak immune function. In contrast, normal mice have vibrant bacterial communities and a rich variety of immune cells and molecules on their skin.
- Microscopic creatures—including bacteria, fungi and viruses—can make you ill. But what you may not realize is that trillions of microbes are living in and on your body right now. Most don’t harm you at all. In fact, they help you digest food, protect against infection and even maintain your reproductive health. We tend to focus on destroying bad microbes. But taking care of good ones may be even more important.
Final answer:
Microbes can be harmful by causing diseases, food spoilage, and creating biological toxins in humans. On the other hand, they can be beneficial by aiding in digestion, recycling nutrients in the environment, and aiding in the production of food and medicine.
Explanation:
Microbes, or microorganisms, are microscopic entities that can be beneficial or detrimental to humans in various ways.
Detrimental Effects of Microbes:
- Disease: Many microbes are pathogenic, meaning they can cause diseases in humans such as the common cold, influenza, pneumonia, and more severe diseases like tuberculosis and HIV/AIDS.
- Food Spoilage: Microbes can cause food to rot or spoil, leading to food wastage and also food poisoning if consumed.
- Biological Toxins: Certain microbes produce biological toxins that are harmful to humans. For instance, the bacteria Clostridium botulinum produces a potent neurotoxin leading to botulism.
Beneficial Effects of Microbes:
- Digestion: Microbes in our gut aid in digestion, and also synthesis B-vitamins and vitamin K that humans cannot produce on their own.
- Decomposition and Recycling: Microbes play a vital role in decomposing dead organic matter and recycling essential nutrients in the environment.
- Food and Medicine Production: Yeasts are used in bread and alcohol production, while other microbes are exploited to produce antibiotics and other medicines.
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