20-11-2015
History

contestada

what was the challenge in building an airplane

Respuesta :

HistoryGuy HistoryGuy

22-11-2015

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 Link

Otras preguntas

Help! How Can I Use factoring to write an expression equivalent to -> 25m^2−81n^2

Which statement best describes how a B-cell works? It produces antigens, which stimulate a fever. It produces antibodies specific to an antigen. It produces ant

Directions: Decide which measurement is larger, by converting to the same measurement. 10. 135 inches or 11 feet

Please help me to do the warm up

The DNA of most bacteria is contained in a single circular molecule, called the bacterial chromosome. The chromosome, along with several proteins and RNA molecu

Given: A=1, B=1, C=1 for a 3-input NOR gate, what is the output value?

Which “Christ-like” characteristic does Eva NOT have? 1) She is non-judgmental. 2) She is spiritual. 3) She is self-sacrificing. 4) She is poor.

Someone tell me the answer please

please please please I'm begging I need help ....... Describe the difference between these two straight lines.

What element(s) of classic architecture can you identify in the building seen above? a. Symmetry b. Columns c. A Roman temple front with a central octagonal cor