Okay I need help and get this question right please

What is one way in which a discovery that is made by using cell technology could change existing scientific knowledge? a. a discovery could lead to a change in experimental methods. b. a discovery could lead to a replacement of a scientific theory. c. a discovery could lead to a new brand of cell culture medium. d. a discovery could lead to a new material for culture flasks.

When you exhale, air in you lungs moves from the does anyone know the correct answer on apex

Through wich tissue do sugar get transported to reach the leaves during growth and reproduction