How does de-icing roads with salt negatively impact the environment? a. The road salt attracts deer that are then hit by motor vehicles.
b. It removes necessary salt from the local water courses.
C. The high salinity of the surface runoff is harmful to freshwater ecosystems.
d. The salt harbors salt eating bacteria that are toxic to animals

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.

Chemistry worksheet - i am not sure what they are asking for exactly?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.