Answer: The high antiquity of civilization in the Middle East is largely due to the existence of convenient land bridges and easy sea lanes passable in summer or winter, in dry or wet seasons. Movement of large numbers of people north of the Caspian Sea was virtually impossible in winter, owing to the severity of the climate; central Eurasia was often too dry in summer. Land passage between Asia and Africa was in early times limited to narrow strips of land in the Isthmus of Suez. Large-scale desert travel was limited to special routes in Iran and in North Africa, both east and west of the Nile Valley.
Explanation:
2000, as there was no “0th” Century.
Answer:
George Perkins Marsh is the correct answer.
Explanation:
George Perkins Marsh was American philologist and diplomat is believed to be the first environmentalist. He recognised the irreversible impact of human actions on the Earth. It is considered to be a precursor to the sustainability concept. He also wrote the book Man and Nature. His book was one of the earliest work of ecology. He argued that humans are secured as long as man manages his resources properly and keeps them in good condition as resource scarcity can affect environmental equilibrium.
Climate is a long-term model of weather in specific location or place. Thus, aspects of climate that are most important to forest ecosystem is the temperature and precipitation. Because. <span>1. Temperature determines the adaptable and environmental influences such as the sunlight, the biotic community and especially the photosynthetic mechanisms of plants which is responsible for making its own food.</span> <span>2. Precipitation. Water is vital in many aspects of plants since it is one of the materials needed for plant’s food-making process. </span>