Answer:
The land route across Asia was long, difficult, and dangerous.
Explanation:
Answer:
Carbon dioxide levels decreased which meant there wasn't enough in the air to support vegetation. Growth was limited, in other words, because plants were carbon-starved.
A Special Interest Group (SIG) is a community within a larger organization with a shared interest in advancing a specific area of knowledge, learning or technology where members cooperate to affect or to produce solutions within their particular field, and may communicate, meet, and organize conferences.
The improvement in agriculture create more agricultural products in larger quantity. This means that the countryside now had the chance to sell the agricultural products to the townspeople. So, we can say that improvement in agriculture affects townspeople by providing them with additional amount of food supply