Which of the following actions will raise the osmotic pressure of a solution?

(A) increasing the temperature
(B) decreasing the solute concentration
(C) adding more solvent
(D) decreasing the temperature
(E) none of the above

Answer earth,water,fire and air;

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.