Answer:
Lay the leaves to be measured on a 1-cm grid and trace their outlines. Count the number of square centimeters. Estimate the area of the partial squares. ... Do not include the area of the stem (petiole) in your calculations.
The answer is C, I hope this helped you:)
A peplomer is a glycoprotein spike on a viral capsid or viral envelope. These protrusions will only bind to certain receptors on the host cell; they are essential for both host specificity and viral infectivity.