The normal freezing point of a certain liquid is , but when of urea are dissolved in of , it is found that the solution freezes at instead. Use this information to calculate the molal freezing point depression constant of . Round your answer to significant digits.

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.