Why are the miller-urey experiments essential to the theory of evolution?

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.