Answer:
the answer to this question is b
<u>Answer:</u>
Out of the given options, religious affiliation is the main unifying factor for most people living in southwest Asia.
<u>Explanation</u>:
- All the countries of the middle east or southwest Asia are predominantly Muslim countries with the worlds highest concentration of Muslim population.
- In all the countries of the middle east, Islam is the official religion of the states and is backed and promoted by the governments.
- In countries like Saudi Arabia, it is mandatory for an individual to be Muslim to officially be a citizen of Saudi Arabia.
The water cycle transports a plethera of microorganisms, and many of them are harmful for human beings. These include bacteria, protozoa, viruses, and lavae of high-ordered parasytes. Some of the aforementioned are Giardia, Cyptospordium, Shigella, E. coli, hepatitis A virus, and enterovirus.
Waters can also carry chemical wastes such as pesticides, and heavy metals dissolved in them. It is common to hear about acid rain as a result of pollution, and it originates as a result of mixing sulphur dioxide and nitrogen oxide with water molecules in the atmosphere.
There are several technological improvements over the past 100 years that have made the availability of clean water to communities a lot easier, and not only depend on boiling water. Filtration is the most common practice, it traps most unwanted particles and microorganisms, but it should be accompanied with chemical disinfection, which uses halogens to oxidize essential celluar structures and enzymes. In the present, chemical disinfection can even be achieved with adding a pill to a specific volume of water.
The Earth rotation and revolution creates all types of positions. These positions have different weather
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Answer:
Astronomers used the cross-staff for measuring the angle between the directions of two stars. ... Ships' officers used it to measure the elevation angle of the noontime Sun above the horizon, which allowed them to estimate their latitude
Explanation:
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