If the velocity of the car become 650m/s after 25 second

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

The third stage of cellular respiration is (2 points)

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.