Answer:
Silicate-Oxygen tetrahedro
Explanation:
Silicate-Oxygen tetrahedro are the most abundant and basic structure of common minerals.
These are silicate minerals which formed to silicate rock forming mineral. These constitute about 90% of earth crust. Silica SiO2 consider as most common mineral on the surface of earth also known as Quartz. The the most andundant element in the earth crust is oxygen, mainly found in combine form.
Answer:
The differences between Karakum and Kyzylkum Deserts are:
1. Karakum means Black Sand because of the black soil that is beneath the sandy desert while Kyzylkum means Red Sand.
2. Karakum has an irrigation system that sustains the farming of most part of Turkmenistan while Kyzylkum is located between two rivers and is shared by three countries, Kazakhstan, Uzbekistan, and Turkmenistan.
The Karakum Desert is a desert in Central Asia.ts name suggests that Black Sand in Turkic languages, in respect to the dark soil that lies at a lower place the sandy surface of abundant of the desert. It occupies concerning seventy %, or 350,000 km², of the realm of country.
The Kyzylkum Desert is in central Asia and its name suggests that Red Sand in Turkic languages. It covers concerning 298,000 km2.D desert fauna embody the Russian turtle.
<u>Explanation:</u>
Botswana is an African nation where over 23% of population is infected with HIV. The government introduced prevention, treatment and testing strategy to address this serious issue. The goal of this program is to bring HIV infections under control in the country and reduce the chances of further infections.
According to the ‘treat all’ program every person who is tested to be <em>HIV positive</em> is given immediate treatment. All infected persons are given free Anti Retroviral Treatment for a lifetime. The government’s active measures could successfully reduce the infections that spread from affected mother to infants.
Testing measures have changed form from voluntary testing to routine testing and then to compulsory testing. Compulsory testing is sometimes blamed for increasing the stigma about the disease. But these measures help the people to know their status and reduce the number of people living without knowing they are HIV positive.
At the center of the Earth is the core, which has two parts. The solid, inner core of iron has a radius of about 760 miles (about 1,220 km), according to NASA. It is surrounded by a liquid, outer core composed of a nickel-iron alloy. The outer core is about 1,355 miles (2,180 km) thick.
My answer is B hope it helps
