Write a scheme function that computes the real roots of a given quadratic equation. if the roots are complex, the function must display a message indicating that. this function must use an if function. the three parameters to the function are the three coefficients of the quadratic equation.

(environmental science semester 1) which statement best describes the limits of science? a. science cannot answer any abstract questions. b. when used properly, science can answer any questions. c. usually science can answer only mathematical questions. d. science cannot answer religious questions.