What Roles And Responsibilities do thr media have in reporting human rights violations in a responsible manner in a Democratic Society​

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

the answer is c.) there is a warm front in region a and a stationary front in region b.