What does it mean to have a library circulatory system PLEASE HELP ASAP MY BROTHER NEEDS HELP

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.