Answer:
paleoecology
Explanation:
because because they study fossil of animals and plants. If it's an old rat's nest it will most likely contain fossils.
The correct answer to fill in the blanks is "wavelength."
Answer:
Brest-Litovsk
Explanation:
On March 8, 1918, Russia and the Central Powers, who were Germany, Austria-Hungary and the Ottoman Empire, signed the Treaty of Brest-Litovsk. This treaty withdrew Russia from World War I, but Russia also had to give up large amounts of territory and pay huge amounts of money.
I think the answer is b. most European immigrants such as Germans mostly settled in new York and other new England regions. good luck :)