Answer:
Amazon rainforest is a diverse and rich forest found in the Southern part of America-precisely Brazil, Peru, Columbia. And, also, some minor part are found within Venezuela, Ecuador, Bolivia, Guyana, Suriname and French Guiana.
<em>It is also known as the Amazon jungle. Being a bio-diverse ecosystem means that, it is with an estimated 390 billion individual trees divided into 16,000 species which could be found inside it. </em>
<em>Most of the species of trees in any part of the world can be found inside the forest. Also, some rare and unknown species could also be found inside it.</em>
Explanation:
We can estimate the age of an open cluster of stars by examining (The turnoff point of the cluster)
Russia. It is the largest country in the world. 90% of Russia is in Asia and the rest in Europe.
The correct answer is - the change of the total volume of water in the Earth's system.
The total volume of the water in the Earth's system is pretty much the same, and for it to change, and change the levels of the water in the oceans and seas, the Earth will have to go over a totally new conditions where either a new influx of water will reach our planet, or the heat will increase and the water will evaporate, for now that is not a possibility.
The correct answer is - A. Desertification is increasing, and the desert is expanding.
The Sahara desert has been expanding in the past decades, and it has started to overtake territory south of it. This is mainly due to climate changes, the precipitation has been decreasing, the temperatures have been rising, so the desert has slowly crippled into the territories that were once steppes and savannas. There is an organized action from the people that leave on the borderline of the desert, where they have been thought some techniques as to how to stop the desert growing, and they have gladly accepted it and work hard on it. Initially it seems that there are positive results, but for sure only the time will tell.
