The function used to alter the thickness of the pen to ‘x’ units:
(a) turtle.width(x)
(b) turtle.span(x)
(c) turtle.girth(x)
(d) turtle.thickness(x)
(a) turtle.width(x)
(b) turtle.span(x)
(c) turtle.girth(x)
(d) turtle.thickness(x)
Right choice is (a) turtle.width(x)
Explanation: The function turtle.width(x) is used to alter the thickness of the pen to ‘x’ units. The function turtle.span(x), turtle.girth(x) and turtle.thickness(x) are invalid.