Answer:
El río que separa el macizo de Brasilia y el macizo Patagónico se llama río Colorado.
Explanation:
El macizo de Brasilia comprende el actual Brasil y el macizo Patagónico, buena parte de la actual Argentina. El macizo de Brasilia cubre buena parte del centro, todo el este, noreste, centro-norte, centro-sur y sureste de América del Sur, mientras que el macizo cubre todo el sur de Argentina. El río que separa ambos macizos se llama el río Colorado, el cual atraviesa las provincias de Mendoza, Neuquén, Río Negro, La Pampa y Buenos Aires antes de desembocar en el Océano Atlántico.
4. The Roman Empire
( Muslim Empire is not a thing)
Answer: 1- Option (D)
2- Option (A)
Explanation:
The green house gases plays a significant role in the earth's global temperature. In absence of green house gas, the earth would have been very much cold and life would would be difficult to exist. The average global temperature would have been about -15°C to 25°C. So the most favorable answer given here is that the<u> earth's temperature would have decrease by about 60°C</u>.
<u>Carbon dioxide (CO₂) is not the most abundant green house gas</u>. It is the second most abundant. The present composition of CO₂ in the atmosphere is about 0.04% by volume. A small increase in the CO₂ level, can lead to a global rise in the temperature. Hence, <u>the above statement is false.</u>
Answer: Megacities can influence environment and health concerns.
Explanation:
1. The megacities can pollute the environment by causing air, water, and soil pollution due to rapid industrialization in these cities leaking air pollution and chemical discharge in water and soil contaminating them. This way the environment is affected also the human and animals are prone to respiratory and digestive problems and diseases.
2. The megacities are source of noise pollution from different sources producing undesirable sound like vehicle honking, live concerts, and machines from industry and others these can affect the hearing ability of human and animals also can be responsible for hypertension, cardiac arrest, and stress in humans.
3. The megacities are affected by overpopulation which can affect the environment as resources like water, air, minerals will deplete from these cities and this can affect the survivor of human kind who are not able to meet the resource demand.