The correct answer is A and C.
China's geographic location, with Gobi in the North, and to the West is Himalaya and seas to the east and south, which isolated early chinese civilization from other cultures.
C. China's civilization which is the oldest continuous civilization which i found in the world.
China civilization is the oldest written record in history. In the writings of shang they don't indicate any existence of the Xia.
Answer:
Biological
Explanation:
Storing food requiring a higher cooking temperature, this temperature pasteurizes the food that kills the bacteria inside it, and low temperature stops their growth. So, such biological contamination is seized by temperature variations.
<span>B. comparing directly to a suspect tool</span>
Answer:
Explanation:
...then the bird beak changes because the bird beaks are the most vital physical feature that allows birds to catch and devous its prey.