Its a final help me .

Multicultural studies report that the best way to develop babies' sleep rhythms seems to be

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Which two characteristics belong to mahayana buddhism. a. followers worship and offer animal sacrifice at festivals b. a followers highest aim is to attain the status of a bodhisattva c. an emphasis is placed on fulfilling sensual pleasure d. this form of buddhism is the most acient for od buddhism that exists today e. followers belive that everyone is capable of attaining enlightenment