In the chemical compound c2h2, how many pairs of electrons are shared between the two carbon atoms?

Galaxy whose shape seems different follow no set pattern are classified as

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis