Can you think of another mutation that could be beneficial? What is it? Why is is beneficial?​

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

Explain what role the narrator believes he is playing in telling the story. describe how this belief will affect the story. your answer should be at least 250 words.

One drawback of dams is that they can flood land upstream from the dam and reduce water flow downstream from the dam. a. true b. false