Here are some of the achievements of the Tang and Song Dynasties:
1. <span>Literature and arts influenced cultural diffusion between China, Japan, and Korea. This lead to ink painting
2. </span><span>Sailing and ocean trade lead to the invention of the compass and cultural diffusion
3. T</span><span>hey cultivated a lot of rice
4. </span><span>They had a bureaucracy , where people have a say
5. They made many long roads</span>
Islam first originated in Mecca in the 7th century.
Answer: b. Clear-cutting
Explanation: Clear cutting is a cheap and effective way of harvesting trees or timbers, this methods helps the forest operators to get the best out of a forest at a very reduced cost.
Clear-cutting is bad because removing the whole tree from an area destroys outrightly the natural habitat of most widelife, and it will also lead to the destruction of the eco-system that relies on the forest.
The cells that are responsible for attacking, adhering and digesting foreign bodies are the phagocytes. The platelets help wounds to heal and prevent bleeding and the main function of the erythrocytes is the transport of oxygen