In ancient times<em> China</em> was isolated because of the mountains and rivers, they had the Himalayas and the Gobi, as good barriers. They believed that were alone in the world. Living in isolation made difficult to govern there, because of the large areas they had. This made people lived in different parts of China, create their own culture and costumes too, dialects, and way of speaking.
Answer:
b.
but i am not sure
Explanation:
The purpose of hypothesis testing is to test whether the null hypothesis (there is no difference, no effect) can be rejected or approved. If the null hypothesis is rejected, then the research hypothesis can be accepted.
Answer:
The exports of San Juan, Puerto Rico are chemicals, electronics, clothing, canned tuna, rum, beverages, and the last one is medical equipment.
The imports are Gasoline, other fuels, Passenger vehicles, Medical instruments, and Sulfonamides
Answer: I think It is Arrow C.
Explanation:
