Answer:b. developments such as the three-field system and the padded horse collar meant that agriculture actually improved from classical time.
Explanation:Early Middle Ages or Early Medieval Period , sometimes referred to as the Dark Ages , as lasting from the 5th or 6th
century to the 10th century.
In the 19th century the Early Middle Ages were often labelled the "Dark Ages" , a characterization based on the relative scarcity of literary and cultural output from this time.
The early middle Ages generally believed to have started with the fall of the Roman Empire in 476 and to have lasted about 1,000 years until about 1450. The beginning of the Middle Ages is called the Dark Ages because the great civilizations of Rome and Greece had been conquered.
Answer:
Base on earth's structure, process and geologic history.
Explanation:
There are various planets in outer space that are considered analogous to that of earth or the Earth-like the planet like <u>Kepler-22b. Kepler-69c. Kepler-62f and Kepler-452b</u>. These Earth-like planets are called as G and K stars. like venus which is considered a twin of earth. These planets are considered to be 50% like earth but differ based on temperature and Terraforming is going to be what might be influencing the future of the explorations. Which is a hypothetical process of deliberating modifying the atmospheric conditions to make it habitable for man.
Answer:
It helps us to develop new technologies.
Explanation:
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