Answer: Hard answer but heres the explanation
Explanation:
They were similarly caused by nationalism, imperialism, alliances, and militarism. Both wars saw countries trying to upset the power balance in Europe for their own gain.
Answer:
New practices to fight disease is the correct answer.
Explanation:
Answer:
Global temperatures; in the past half-century.
Explanation:
The graph of the global temperatures in the northern hemisphere was more or less costant until it spiked very hard in the past half-century. Therefore, it is called the "hockey stick" chart because its shape resembles a hockey stick. The original graph was made, as the exercise details, by Michael Mann and his colleagues in 1999.
