One of the most significant challenges is building an airplane had to do with "propulsion", since the technology that allowed motors to have enough energy to lift an airplane into the sky with a passenger wasn't available for most of history.
Answer:
Yes it will be in both nations are evenly matched with each other
Explanation:
The alliance system was made up of two groups, the Central powers (Germany, Austria- Hungary, Italy(1914), and Turkey). The second group was the Allied powers (Russia, France, Great Britain, and United states).
The correct answer is option <u><em>D) A style of painting in which a white slip, painted in light brown washes is applied, and then the images are outlined in dark brown or black.</em></u>
I just did the quiz and was having a hard time with this question and couldn't find the answer myself so I thought I'd post the answer for the rest of you.
Hope this helps and have a gr8 day buddies <3