What question are you speaking of?
Research scientists used a standard practice called the scientific method to help them understand phenomena.
Answer:
I believe The answer is A:desert sand that slowed wagons to a crawl
Explanation:
I took the quiz on edg
All stock market invests went completEly down
The 21 Demands (of Japan). In 1915 Japancame up with the odd idea of trying to make the whole of China a protectorate – a protectorate of Japan of course. The Great War started in 1914 and Japan promptly declared war on Germany, in order to take over that country's leased territory in China.