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:
how am i so post to help u i can see the pic very well ???
Explanation:
Answer:Although many different styles are encompassed by the term, there are certain underlying principles that define modernist art: A rejection of history and conservative values (such as realistic depiction of subjects); innovation and experimentation with form (the shapes, colours and lines that make up the work)
Explanation:Please mark as brainliest
<span>to help mentore the anchent eygption goverment</span>
If you can choose more than one answer then choose B&C but if not choose B
