The Olmec civilization emerged out of south-central Mexico in the tropical lowlands. Today, this area is the modern Mexico states of Veracruz and Tabasco. The Olmec are considered to have been at their height as a civilization from about 1500 BCE to approximately 400 BCE.
Answer:
a biological community of interacting organisms and their physical environment.
"the marine ecosystem of the northern Gulf had suffered irreparable damage"
(in general use) a complex network or interconnected system.An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.
"Silicon Valley's entrepreneurial ecosystem"
There are two types of ecosystem: Terrestrial Ecosystem. Aquatic Ecosystem.
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The old habbit that lucy taken up again according to mina is sleep walking.
Mina witnesses the sleep walking occurence not long after the ship wreck,
One day, mina was on the are near the town's graveyard. And he spot lucy just wandering around near the graveyard followed by a tall dark shilloutte.
Answer: Nitrogen oxides are present in combustion and industrial processes.
Explanation: We are talking about the combustion of coal, oil and gasoline by the emission of vehicles such as ships, airplanes trucks and automobiles, which is specially significant in big cities where there is more traffic . For the industry part there are the electric power plants and large industrial operation plants.
Answer: The United States supported freely elected governments and the Soviet Union did not.
Explanation:
The political and ideological confrontation between the Soviet Union and the United States of America that began after the Second World War is known as the cold war due to the political differences between the two blocks; The United States supported the Western-allied bloc based on a capitalist economic system, and the Soviet Union supports allies of the Eastern bloc under a communist political system.
The tension between the two powers included various threats of warfare with the use of weapons of atomic destruction, but there was never a confrontation, which is why it is known as the "cold war".
The tension between the two countries ended in 1990, with the signing of a peace treaty, and a subsequent year, the dissolution of the Soviet Union.
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