Answer:
A
Explanation:
He used pea plants due to their ability to reproduce sexually and their easily observable traits.
Answer:
B. They forced Germany to fight along both the Eastern and Western fronts.
Explanation:
In World War One Russia's purpose was to protect Serbia. Another explanation entering the war was that, along with France and Britain, it was a part of the triple alliance and had to assist them in the war. And therefore the while France and Britain were fighting from the eastern front, Russia fought from the western front, forcing Germany to fight both along the Eastern and Western fronts.
