It could be increased greenhouse gas effect.
(1) pose a question (2) conduct background research (3) formulate a hypothesis (4) test the hypothesis (5) analyze the data and draw a conclusion (6) communicate the results
Hope this helps, and please mark me brainliest if it does!
The United States of America
Answer:
<u>C. China is ruled by a series of imperial dynasties for thousands of
</u>
<u>years.</u>
Explanation:
Chinese civilization is more than 5,000 years old, and according to ancient Chinese records, the oldest Chang Dynasty was formed in 1766 B.C., although many historians and archaeologists believe it happened a little later. The last Chinese Qing Dynasty ruled until 1911, which indicates a historical continuity that lasted more than 3,500 years.