<span>It is linear, because using the VSEPR theory, when you draw its lewis structure, you get two bonded pairs of electrons, which signifies a linear structure.</span>
D) would be the answer
Why? when using a scientific method you don't want to choose another thing do you?
Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of capillaries. Capillaries are the smallest blood vessels , they are only one cell thick, and they act as sites of the transfer of oxygen and other nutrients from the bloodstream to the body tissues. Additionally, they also collect carbon dioxide, waste materials and fluids for return to the veins.
